A Global Multilevel Thresholding Using Differential Evolution Approach

Table 6

The between-class variance criterion and the best thresholds for test images.

Image	𝑛	Between-class variance (VTR)	Thresholds
Starfish	2	2546.885	85, 157
	3	2779.925	68, 119, 177
	4	2865.707	60, 101, 138, 187
	5	2912.859	52, 86, 117, 150, 194
	6	2941.728	47, 77, 105, 132, 162, 201
	7	2960.158	44, 71, 95, 118, 142, 170, 206
	8	2972.356	43, 68, 90, 110, 131, 153, 180, 212
	9	2981.138	38, 58, 78, 97, 116, 136, 157, 183, 214
	10	2988.206	37, 56, 75, 93, 110, 128, 146, 167, 192, 219
	11	2993.348	35, 53, 71, 88, 103, 119, 135, 152, 172, 196, 221
	12	2997.352	34, 51, 68, 84, 98, 112, 127, 142, 158, 177, 200, 223
	13	3000.480	33, 48, 64, 79, 93, 106, 119, 133, 147, 162, 181, 203, 225
	14	3003.076	32, 47, 62, 76, 89, 101, 114, 127, 140, 154, 169, 187, 207, 227
	15	3005.235	30, 43, 56, 70, 83, 95, 107, 119, 131, 143, 156, 171, 189, 209, 228
	16	3007.060	30, 42, 55, 68, 80, 92, 103, 114, 126, 138, 150, 163, 178, 195, 213, 230
Mountain	2	2372.923	61, 128
	3	2496.113	33, 77, 131
	4	2551.955	33, 73, 109, 147
	5	2580.336	32, 69, 99, 125, 159
	6	2596.956	24, 46, 74, 101, 126, 160
	7	2608.807	24, 46, 73, 98, 119, 145, 175
	8	2616.294	24, 46, 73, 97, 115, 135, 160, 191
	9	2622.314	20, 37, 54, 76, 98, 116, 136, 160, 191
	10	2627.194	20, 36, 53, 74, 93, 106, 121, 140, 163, 194
	11	2630.496	20, 36, 53, 74, 93, 105, 118, 134, 152, 172, 201
	12	2633.189	18, 31, 45, 59, 76, 93, 105, 118, 134, 152, 172, 201
	13	2635.290	18, 31, 45, 59, 76, 92, 103, 115, 129, 144, 161, 179, 207
	14	2637.088	17, 29, 42, 56, 72, 86, 96, 106, 117, 130, 145, 161, 179, 207
	15	2638.449	17, 28, 39, 50, 61, 75, 88, 97, 107, 118, 131, 146, 162, 179, 207
	16	2639.616	17, 27, 38, 49, 60, 74, 86, 95, 104, 113, 123, 135, 149, 164, 181, 209
Cactus	2	1816.448	73, 151
	3	1970.112	64, 106, 173
	4	2042.275	55, 87, 125, 187
	5	2080.884	49, 76, 102, 138, 196
	6	2104.147	46, 70, 93, 119, 157, 208
	7	2119.670	44, 65, 85, 105, 131, 168, 215
	8	2129.358	42, 60, 77, 94, 113, 138, 174, 218
	9	2136.162	41, 58, 74, 89, 105, 125, 152, 186, 224
	10	2141.579	40, 56, 71, 85, 99, 115, 135, 161, 193, 228
	11	2145.397	39, 53, 66, 79, 91, 104, 119, 139, 165, 196, 229
	12	2148.282	38, 51, 64, 76, 88, 100, 114, 131, 152, 176, 204, 233
	13	2150.740	37, 49, 61, 72, 83, 94, 105, 118, 135, 155, 178, 205, 233
	14	2152.626	36, 47, 58, 68, 78, 88, 98, 109, 122, 138, 158, 181, 207, 234
	15	2154.162	36, 46, 56, 66, 76, 85, 94, 104, 115, 128, 144, 164, 187, 212, 237
	16	2155.471	36, 46, 56, 66, 75, 84, 93, 102, 112, 124, 138, 155, 174, 195, 217, 239
Butterfly	2	3873.222	84, 155
	3	3990.855	81, 144, 199
	4	4051.357	77, 121, 167, 207
	5	4092.929	60, 89, 129, 172, 209
	6	4119.448	59, 87, 122, 161, 193, 221
	7	4135.937	53, 74, 98, 128, 165, 195, 222
	8	4148.556	53, 73, 96, 123, 156, 183, 203, 228
	9	4156.528	52, 72, 94, 118, 144, 170, 190, 207, 231
	10	4163.794	48, 63, 80, 99, 121, 147, 172, 191, 208, 231
	11	4168.489	47, 62, 79, 98, 118, 141, 164, 183, 198, 213, 234
	12	4172.517	46, 59, 73, 89, 104, 122, 144, 167, 185, 199, 214, 235
	13	4175.487	46, 59, 72, 87, 102, 118, 137, 157, 175, 189, 202, 216, 236
	14	4177.893	44, 55, 66, 79, 93, 106, 121, 141, 161, 178, 191, 203, 217, 237
	15	4179.908	44, 55, 66, 78, 92, 105, 119, 137, 156, 173, 186, 197, 208, 221, 239
	16	4181.559	42, 52, 61, 71, 83, 95, 107, 121, 139, 157, 173, 186, 197, 208, 221, 239
Circus	2	1651.257	118, 172
	3	1760.512	105, 150, 187
	4	1817.487	93, 132, 165, 195
	5	1850.243	87, 122, 152, 177, 203
	6	1870.083	82, 113, 141, 164, 185, 208
	7	1883.966	77, 104, 129, 151, 171, 190, 212
	8	1893.450	73, 98, 122, 143, 161, 178, 195, 216
	9	1900.592	70, 92, 114, 134, 152, 168, 183, 199, 219
	10	1905.992	68, 89, 109, 128, 145, 160, 174, 188, 203, 222
	11	1909.887	66, 86, 105, 123, 139, 153, 166, 179, 192, 206, 225
	12	1913.079	63, 81, 98, 114, 130, 145, 158, 170, 182, 194, 208, 226
	13	1915.676	62, 79, 95, 111, 126, 140, 152, 164, 175, 186, 197, 210, 228
	14	1917.756	61, 78, 94, 109, 123, 136, 148, 159, 170, 180, 190, 201, 214, 231
	15	1919.524	59, 74, 88, 102, 115, 128, 140, 151, 161, 171, 181, 191, 202, 214, 231
	16	1920.958	58, 73, 87, 100, 113, 126, 138, 149, 159, 169, 178, 187, 196, 206, 218, 234
Snow	2	5261.705	80, 169
	3	5624.289	71, 139, 207
	4	5729.116	50, 92, 144, 208
	5	5785.138	49, 91, 140, 192, 231
	6	5819.333	45, 81, 111, 148, 194, 232
	7	5835.770	43, 76, 101, 127, 159, 196, 232
	8	5850.190	30, 55, 83, 107, 133, 163, 197, 233
	9	5862.437	30, 55, 82, 106, 129, 157, 185, 211, 237
	10	5870.284	29, 52, 75, 94, 111, 132, 159, 186, 212, 237
	11	5875.817	29, 52, 75, 94, 111, 132, 158, 183, 206, 227, 244
	12	5880.335	29, 52, 74, 93, 109, 127, 149, 169, 188, 209, 228, 244
	13	5884.513	23, 39, 57, 76, 94, 110, 128, 150, 170, 188, 209, 228, 244
	14	5887.355	22, 37, 54, 70, 84, 98, 112, 129, 151, 170, 188, 209, 228, 244
	15	5889.953	21, 36, 53, 69, 83, 97, 110, 124, 141, 159, 175, 192, 211, 229, 245
	16	5891.998	21, 36, 53, 69, 83, 97, 110, 124, 141, 159, 174, 189, 207, 222, 236, 248
Palace	2	2623.440	99, 165
	3	2791.488	84, 132, 186
	4	2860.98	70, 103, 143, 191
	5	2908.165	69, 101, 138, 177, 218
	6	2934.330	64, 89, 117, 147, 181, 220
	7	2953.745	54, 75, 99, 126, 153, 183, 220
	8	2966.250	50, 69, 89, 111, 134, 158, 185, 221
	9	2974.719	47, 65, 81, 100, 120, 141, 163, 188, 222
	10	2981.875	47, 64, 80, 98, 117, 137, 157, 178, 199, 226
	11	2986.898	45, 61, 75, 90, 106, 123, 141, 159, 179, 200, 227
	12	2990.579	43, 58, 69, 82, 96, 111, 126, 143, 160, 180, 201, 227
	13	2993.809	43, 58, 69, 81, 95, 110, 125, 141, 157, 173, 190, 208, 231
	14	2996.112	43, 57, 68, 80, 94, 108, 123, 138, 153, 167, 182, 199, 218, 239
	15	2998.213	42, 56, 66, 77, 88, 100, 113, 126, 140, 154, 167, 182, 199, 218, 239
	16	2999.918	42, 55, 65, 75, 86, 98, 110, 123, 136, 149, 162, 176, 191, 205, 222, 241
Flower	2	1489.281	61, 130
	3	1627.897	39, 77, 141
	4	1685.956	36, 67, 105, 160
	5	1715.220	28, 49, 75, 111, 164
	6	1736.423	27, 47, 71, 102, 143, 192
	7	1752.512	26, 43, 61, 83, 111, 151, 199
	8	1761.968	25, 42, 58, 77, 99, 126, 161, 204
	9	1768.354	24, 40, 54, 70, 88, 109, 135, 167, 207
	10	1772.903	23, 37, 48, 60, 75, 92, 112, 138, 169, 208
	11	1776.470	23, 36, 47, 58, 72, 87, 104, 124, 149, 177, 211
	12	1779.106	22, 34, 44, 54, 65, 78, 92, 108, 128, 152, 179, 212
	13	1781.251	20, 30, 39, 48, 58, 70, 83, 96, 112, 131, 154, 180, 213
	14	1783.049	19, 29, 38, 47, 56, 66, 78, 90, 104, 120, 139, 161, 185, 215
	15	1784.478	19, 29, 38, 46, 54, 63, 74, 85, 97, 111, 128, 147, 168, 190, 218
	16	1785.641	19, 28, 37, 45, 53, 62, 72, 83, 94, 106, 120, 136, 155, 175, 196, 222
Wherry	2	3313.161	108, 189
	3	3543.272	102, 161, 218
	4	3599.924	83, 121, 163, 218
	5	3634.708	81, 118, 152, 184, 224
	6	3656.048	72, 103, 130, 156, 186, 225
	7	3668.313	68, 94, 120, 139, 161, 189, 226
	8	3678.216	60, 83, 110, 132, 152, 175, 198, 230
	9	3686.001	56, 77, 100, 122, 138, 156, 179, 201, 231
	10	3691.730	56, 76, 98, 120, 136, 153, 174, 194, 219, 243
	11	3696.416	55, 74, 94, 114, 130, 142, 158, 178, 197, 222, 245
	12	3699.866	54, 72, 91, 110, 126, 138, 151, 168, 185, 202, 225, 246
	13	3702.619	52, 68, 83, 100, 117, 130, 140, 153, 169, 185, 202, 225, 246
	14	3705.033	52, 68, 83, 100, 117, 130, 140, 152, 167, 182, 197, 215, 235, 249
	15	3706.937	51, 66, 79, 94, 110, 123, 133, 142, 154, 169, 184, 199, 216, 235, 249
	16	3708.484	49, 63, 75, 89, 104, 118, 129, 138, 147, 159, 173, 186, 200, 217, 235, 249
Waterfall	2	4512.801	88, 170
	3	4646.137	72, 115, 182
	4	4711.019	67, 103, 150, 204
	5	4752.267	58, 87, 119, 164, 212
	6	4777.063	53, 78, 104, 134, 176, 217
	7	4793.510	48, 70, 92, 116, 147, 186, 221
	8	4805.756	46, 66, 86, 107, 131, 163, 199, 226
	9	4814.097	43, 61, 79, 97, 117, 141, 173, 205, 228
	10	4820.724	40, 57, 73, 90, 108, 128, 152, 182, 210, 230
	11	4825.739	38, 54, 69, 84, 100, 117, 137, 162, 191, 215, 232
	12	4829.689	37, 53, 67, 81, 96, 111, 128, 148, 173, 198, 218, 233
	13	4832.826	35, 50, 63, 76, 89, 103, 117, 133, 153, 177, 201, 220, 234
	14	4835.371	32, 46, 58, 70, 82, 95, 108, 122, 138, 158, 182, 204, 221, 234
	15	4837.537	32, 46, 57, 68, 80, 92, 104, 117, 131, 148, 169, 191, 210, 224, 236
	16	4839.226	30, 43, 54, 64, 74, 85, 96, 108, 120, 134, 151, 172, 193, 211, 225, 236
Bird	2	901.450	71, 122
	3	975.230	64, 111, 140
	4	1027.509	61, 104, 131, 164
	5	1051.482	54, 93, 119, 138, 169
	6	1067.992	47, 82, 108, 127, 142, 172
	7	1077.304	40, 70, 94, 113, 129, 143, 173
	8	1086.005	39, 69, 93, 112, 128, 141, 159, 192
	9	1091.341	37, 65, 88, 105, 119, 131, 142, 160, 193
	10	1095.355	37, 64, 86, 103, 117, 129, 139, 149, 167, 200
	11	1098.475	33, 56, 77, 93, 107, 119, 130, 140, 150, 169, 202
	12	1100.749	33, 56, 77, 93, 107, 119, 129, 138, 146, 158, 178, 209
	13	1102.639	31, 52, 71, 87, 100, 111, 121, 130, 139, 147, 159, 179, 210
	14	1104.132	29, 48, 66, 82, 95, 107, 118, 127, 134, 141, 149, 161, 181, 211
	15	1105.446	28, 45, 62, 77, 90, 101, 111, 120, 128, 135, 142, 150, 162, 182, 212
	16	1106.500	28, 45, 62, 77, 90, 101, 111, 120, 128, 135, 141, 148, 157, 171, 191, 219
Police	2	3647.353	74, 150
	3	3844.314	70, 135, 192
	4	3966.225	63, 112, 158, 209
	5	4013.875	61, 104, 140, 174, 214
	6	4047.198	32, 67, 106, 141, 175, 214
	7	4067.996	32, 67, 104, 133, 161, 186, 219
	8	4084.933	29, 52, 78, 106, 134, 162, 187, 219
	9	4094.705	29, 52, 78, 103, 125, 147, 169, 190, 220
	10	4101.702	29, 52, 78, 102, 123, 143, 165, 184, 203, 228
	11	4108.018	28, 49, 71, 90, 107, 126, 146, 166, 185, 204, 229
	12	4112.304	28, 49, 71, 89, 105, 122, 139, 157, 174, 189, 207, 231
	13	4115.165	28, 46, 62, 78, 92, 106, 123, 140, 158, 174, 189, 207, 231
	14	4117.926	28, 46, 62, 78, 91, 105, 120, 135, 151, 166, 180, 193, 210, 232
	15	4120.045	28, 46, 62, 78, 91, 103, 116, 129, 143, 158, 172, 185, 197, 214, 235
	16	4121.861	28, 46, 62, 78, 91, 103, 116, 128, 142, 156, 170, 182, 193, 206, 223, 240
Ostrich	2	1073.452	75, 135
	3	1139.260	69, 101, 149
	4	1178.650	65, 92, 125, 176
	5	1203.749	56, 78, 100, 131, 179
	6	1218.643	47, 65, 85, 103, 133, 181
	7	1228.925	47, 64, 83, 100, 122, 152, 192
	8	1236.023	45, 59, 75, 90, 104, 125, 155, 194
	9	1240.756	40, 52, 65, 80, 94, 107, 128, 157, 195
	10	1244.909	40, 52, 64, 78, 91, 103, 119, 141, 168, 201
	11	1247.879	40, 51, 62, 75, 87, 97, 108, 125, 148, 174, 205
	12	1250.313	37, 48, 57, 68, 80, 91, 101, 112, 128, 150, 175, 206
	13	1252.298	31, 44, 53, 63, 75, 86, 95, 105, 117, 134, 154, 178, 207
	14	1253.956	29, 42, 50, 58, 68, 79, 89, 98, 108, 120, 137, 157, 181, 209
	15	1255.366	29, 42, 50, 58, 67, 77, 86, 94, 102, 111, 124, 141, 160, 183, 210
	16	1256.490	28, 41, 49, 57, 66, 76, 85, 93, 101, 110, 122, 137, 155, 174, 196, 219
Viaduct	2	7920.458	77, 180
	3	8117.991	54, 109, 193
	4	8203.807	42, 84, 131, 203
	5	8246.806	35, 68, 103, 146, 210
	6	8272.775	31, 59, 88, 120, 160, 216
	7	8287.714	28, 53, 77, 103, 132, 169, 220
	8	8298.322	27, 51, 75, 100, 128, 164, 212, 246
	9	8308.240	24, 45, 66, 88, 112, 139, 172, 216, 247
	10	8315.133	22, 41, 60, 79, 99, 121, 146, 178, 219, 247
	11	8320.032	20, 37, 54, 71, 89, 108, 128, 152, 183, 221, 248
	12	8323.799	20, 36, 52, 68, 84, 101, 119, 139, 162, 190, 224, 248
	13	8326.793	18, 33, 48, 62, 77, 92, 108, 125, 144, 167, 195, 226, 248
	14	8329.119	17, 31, 44, 57, 70, 84, 98, 113, 129, 148, 170, 197, 227, 248
	15	8330.983	17, 31, 44, 57, 70, 84, 98, 113, 129, 147, 169, 195, 224, 243, 251
	16	8332.744	16, 29, 42, 54, 66, 78, 91, 104, 118, 133, 151, 172, 196, 224, 243, 251
Fish	2	3593.389	64, 148
	3	3870.456	44, 104, 177
	4	3972.731	34, 81, 127, 188
	5	4024.885	27, 63, 101, 139, 194
	6	4054.836	24, 56, 90, 123, 156, 205
	7	4075.236	22, 49, 78, 107, 135, 168, 213
	8	4088.300	20, 44, 68, 93, 118, 142, 173, 216
	9	4097.101	19, 40, 62, 85, 107, 128, 149, 178, 218
	10	4103.194	18, 38, 58, 78, 98, 118, 137, 158, 185, 222
	11	4107.954	16, 34, 51, 69, 88, 107, 125, 143, 163, 190, 224
	12	4111.678	15, 31, 47, 64, 82, 100, 117, 133, 149, 169, 195, 227
	13	4114.783	14, 28, 43, 58, 74, 90, 106, 121, 136, 152, 172, 198, 228
	14	4116.954	14, 28, 43, 58, 73, 88, 103, 117, 131, 145, 160, 179, 203, 231
	15	4118.931	13, 25, 38, 51, 64, 78, 92, 106, 120, 133, 147, 162, 181, 205, 232
	16	4120.522	13, 25, 37, 49, 62, 75, 89, 102, 115, 127, 139, 152, 168, 188, 211, 235
Houses	2	2543.788	56, 116
	3	2627.230	53, 105, 150
	4	2663.698	42, 69, 110, 152
	5	2694.902	39, 65, 96, 130, 158
	6	2708.655	39, 65, 95, 127, 150, 169
	7	2720.263	35, 55, 74, 98, 128, 151, 170
	8	2726.676	35, 55, 74, 98, 127, 148, 164, 184
	9	2732.853	32, 48, 65, 80, 101, 128, 148, 164, 184
	10	2736.510	30, 45, 60, 74, 87, 106, 129, 149, 164, 184
	11	2739.566	30, 45, 60, 73, 86, 105, 128, 145, 156, 168, 187
	12	2742.148	29, 42, 55, 68, 79, 94, 112, 130, 145, 156, 168, 187
	13	2744.071	28, 39, 51, 63, 74, 84, 98, 115, 131, 145, 156, 168, 187
	14	2745.542	28, 39, 51, 63, 74, 84, 98, 115, 131, 145, 155, 165, 176, 193
	15	2746.817	27, 37, 47, 58, 68, 77, 86, 100, 116, 131, 145, 155, 165, 176, 193
	16	2747.991	27, 37, 47, 57, 67, 76, 85, 98, 113, 127, 139, 147, 156, 165, 176, 193
Mushroom	2	1988.328	76, 145
	3	2153.037	65, 110, 174
	4	2237.441	59, 93, 135, 193
	5	2277.427	52, 78, 106, 145, 199
	6	2301.629	48, 71, 94, 122, 157, 205
	7	2317.538	46, 67, 87, 110, 138, 171, 213
	8	2328.526	44, 62, 79, 97, 118, 145, 177, 216
	9	2335.812	42, 58, 74, 90, 107, 127, 152, 181, 218
	10	2340.981	41, 56, 70, 84, 99, 116, 136, 159, 186, 220
	11	2345.160	39, 52, 65, 78, 92, 107, 124, 144, 166, 191, 223
	12	2348.413	38, 51, 63, 75, 87, 100, 115, 132, 152, 174, 199, 227
	13	2350.988	38, 50, 62, 74, 85, 97, 110, 125, 142, 160, 180, 203, 229
	14	2353.119	37, 48, 59, 69, 79, 89, 100, 113, 127, 144, 162, 181, 204, 230
	15	2354.748	36, 46, 56, 66, 75, 84, 94, 105, 117, 130, 146, 163, 182, 205, 230
	16	2356.113	36, 46, 56, 65, 74, 83, 92, 102, 113, 125, 139, 154, 169, 187, 208, 232
Snow mountain	2	1912.613	85, 149
	3	2135.274	79, 137, 197
	4	2234.669	70, 119, 154, 204
	5	2288.799	55, 96, 129, 160, 206
	6	2317.224	52, 90, 118, 142, 167, 209
	7	2333.078	50, 85, 111, 132, 153, 174, 212
	8	2344.629	45, 76, 100, 120, 139, 158, 177, 214
	9	2352.951	44, 74, 97, 116, 133, 150, 167, 187, 220
	10	2359.175	41, 68, 90, 108, 124, 140, 156, 172, 193, 225
	11	2364.304	38, 62, 84, 102, 117, 132, 146, 160, 175, 196, 227
	12	2367.971	34, 56, 78, 96, 111, 125, 139, 152, 165, 179, 199, 228
	13	2371.208	33, 53, 73, 90, 104, 117, 130, 143, 155, 167, 180, 200, 229
	14	2373.567	32, 52, 72, 89, 103, 115, 127, 139, 150, 161, 172, 185, 205, 232
	15	2375.586	31, 49, 68, 84, 98, 109, 120, 131, 142, 153, 164, 175, 188, 208, 233
	16	2377.255	26, 42, 59, 75, 89, 101, 111, 121, 132, 143, 154, 165, 176, 189, 209, 234
Snake	2	1118.615	87, 134
	3	1231.320	76, 114, 154
	4	1286.555	69, 101, 129, 166
	5	1317.027	63, 91, 115, 140, 175
	6	1336.172	59, 84, 105, 126, 149, 182
	7	1348.933	55, 78, 97, 115, 133, 155, 187
	8	1357.665	52, 73, 91, 107, 123, 140, 161, 192
	9	1364.159	50, 70, 87, 102, 116, 131, 148, 169, 198
	10	1368.955	47, 65, 81, 95, 108, 121, 135, 151, 172, 200
	11	1372.626	46, 63, 78, 91, 103, 115, 127, 140, 156, 176, 203
	12	1375.513	45, 61, 75, 88, 99, 110, 121, 133, 146, 162, 182, 208
	13	1377.847	43, 58, 72, 84, 95, 106, 116, 127, 138, 151, 166, 185, 211
	14	1379.736	42, 56, 69, 81, 92, 102, 112, 122, 132, 143, 155, 170, 189, 214
	15	1381.282	41, 54, 66, 77, 87, 97, 106, 115, 124, 134, 145, 157, 172, 191, 215
	16	1382.603	40, 52, 63, 74, 84, 93, 102, 111, 120, 129, 139, 150, 162, 177, 195, 219
Riosanpablo	2	2667.020	95, 160
	3	2818.660	75, 121, 177
	4	2892.439	68, 102, 143, 189
	5	2931.654	62, 89, 121, 158, 197
	6	2957.018	58, 82, 107, 138, 171, 204
	7	2973.269	53, 74, 95, 119, 147, 177, 207
	8	2984.972	50, 69, 87, 108, 133, 159, 185, 212
	9	2993.359	48, 66, 83, 101, 122, 145, 168, 191, 215
	10	2999.615	46, 63, 78, 93, 110, 130, 151, 173, 195, 217
	11	3004.374	45, 61, 75, 89, 104, 121, 140, 160, 180, 200, 220
	12	3008.082	44, 59, 72, 84, 97, 112, 129, 147, 166, 185, 203, 222
	13	3011.101	43, 57, 69, 81, 93, 107, 122, 138, 155, 172, 189, 206, 224
	14	3013.465	41, 54, 66, 77, 88, 100, 113, 128, 144, 160, 176, 192, 208, 225
	15	3015.423	40, 53, 64, 74, 84, 95, 107, 121, 135, 150, 165, 180, 195, 210, 226
	16	3017.081	39, 51, 62, 72, 82, 92, 103, 115, 128, 142, 156, 170, 184, 198, 212, 227