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