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