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