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