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

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

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

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

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