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