C31232233133313221211113313331333132313331333133313331333133313331321123233131   >>    C3123223313331322121111331333133313231333133313331333133313331333132112323313   <<    C31232233133313221211113313331333132313331333133313331333133313331321123233133   >>      C31232233133313221211113313331333132313331333133313331333133313331321123233132   >>