(0 18 6)(1 8 2)(3 14 5)(4 19 17)(7 11 9)(10 15 12)(13 20 16)
ALLOWS (11/8)-SEQUENCE
1: (4 17 19)
(0 18 6)(1 8 2)(3 14 5)(4 17 19)(7 11 9)(10 15 12)(13 20 16)
2: (0 18 6)
(0)(1 8 2)(3 14 5)(4 17 19)(6)(7 11 9)(10 15 12)(13 20 16)(18)
3: (4 17 19)
(0)(1 8 2)(3 14 5)(4)(6)(7 11 9)(10 15 12)(13 20 16)(17)(18)(19)
4: (3 14 5)
(0)(1 8 2)(3)(4)(5)(6)(7 11 9)(10 15 12)(13 20 16)(14)(17)(18)(19)