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

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

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

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

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