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