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