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

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

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

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

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