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