012, 015, 016, 017, 025, 026, 027, 035, 036, 037
045, 046, 047, 056, 057, 067, 123, 126, 127, 128
136, 137, 138, 146, 147, 148, 156, 157, 158, 167
168, 178, 234, 237, 238, 247, 248, 257, 258, 267
268, 278, 345, 348, 358, 368, 378, 456, 567, 678