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