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