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