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

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

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

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

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