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