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