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

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

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

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

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