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

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

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

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

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