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