| DC | Number of distribution units |
| D1 | C1, C2, C3, C4, C5, C6, C7, C8, C9, C30, C31, C32, C40, C41, C44, C45 |
| D2 | C10, C11, C12, C13, C14, C21, C22, C23, C24, C25, C26, C27, C28, C29, C39, C42, C43, C46, C62, C63, C66, C67 |
| D3 | C15, C16, C17, C19, C33, C34, C35, C47, C48, C49, C50, C51, C52, C53, C54, C55, C64, C65, C68, C69 |
| D4 | C18, C20, C36, C37, C38, C56, C57, C58, C59, C60, C61, C70, C71, C72, C73, C74, C75, C76, C77, C78, C79, C80, C81, C82, C83, C84, C85 |
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