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

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

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

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

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