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