C31232233133313221211113313331333132313331322121111331321123231333132222231   >>    C3123223313331322121111331333133313231333132212111133132112323133313222223   <<    C31232233133313221211113313331333132313331322121111331321123231333132222233   >>      C31232233133313221211113313331333132313331322121111331321123231333132222232   >>