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

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

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

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

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