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