A Generic Three-Sided Rearrangeable Switching Network for Polygonal FPGA Design

Figure 9

Examples of routing on a PSB_𝐶(2,2,2,4). (a) An RRV instance (1_1,3, 0, 0, 0, 1_1,7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1_3,7, 0, 0, 0, 0, 0). (b), (c) The RRV is not routable on a PSB_𝐶(2,2,2,4).

(a)

(b)

(c)