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

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

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

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

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