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