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