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