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

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

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

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

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