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

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

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

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

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