(0 10 8)(1 20 3)(2 11 4)(5 15 13)(6 18 7)(9 17 12)(14 19 16)
ALLOWS (11/8)-SEQUENCE
1: (3 9 17)
(0 10 8)(1 20 3 12 9)(2 11 4)(5 15 13)(6 18 7)(14 19 16)(17)
2: (0 10 8)
(0)(1 20 3 12 9)(2 11 4)(5 15 13)(6 18 7)(8)(10)(14 19 16)(17)
3: (2 11 4)
(0)(1 20 3 12 9)(2)(4)(5 15 13)(6 18 7)(8)(10)(11)(14 19 16)(17)
4: (1 12 9)
(0)(1)(2)(3 12 20)(4)(5 15 13)(6 18 7)(8)(9)(10)(11)(14 19 16)(17)