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

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

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

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

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