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