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

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

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

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

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