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

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

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

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

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