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

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

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

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

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