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

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

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

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

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