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