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

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

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

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

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