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

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

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

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

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