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

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

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

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

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