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