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