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