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

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

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

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

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