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