“…11,13,15,31,33,35, 51, 53, 55, 71, 73, 75, 91, 93, 95 are the local-nodes of the long edges in horizontal direction while nodes 2, 4, 6, 22, 24, 26, 42, 44, 46, 62, 64, 66, 82, 84, 86, 102, 104, and 106 are the local-nodes of the long edges in vertical direction. These nodes are not used…”