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

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

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

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

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