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