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