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