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