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