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