brillig -> jubjub 10 -> tulgey 12 -> beamish 15 jubjub -> slithy 7 slithy -> vorpal 4 tulgey -> brillig 8 -> vorpal 7 -> gimble 10 -> beamish 18 vorpal -> jubjub -4 -> gimble 5 -> beamish 10 beamish -> slithy -3 -> gimble 15 gimble -> beamish 15 -> tulgey -2 @ brillig => gimble tulgey => beamish