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