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