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