(0 20 18 15 13 11 7)(1 19 3)(2 6 4)(5 12 10)(8 21 9)(14 17 16)
ALLOWS (11/8)-SEQUENCE
1: (0 2 6)

(0 4 2 20 18 15 13 11 7)(1 19 3)(5 12 10)(6)(8 21 9)(14 17 16)
2: (1 19 3)

(0 4 2 20 18 15 13 11 7)(1)(3)(5 12 10)(6)(8 21 9)(14 17 16)(19)
3: (2 11 4)

(0 4 7)(1)(2)(3)(5 12 10)(6)(8 21 9)(11 20 18 15 13)(14 17 16)(19)
4: (5 12 10)

(0 4 7)(1)(2)(3)(5)(6)(8 21 9)(10)(11 20 18 15 13)(12)(14 17 16)(19)