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

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

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

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

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