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