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