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