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

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

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

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

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