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

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

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

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

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