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