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