C31232233133313221211113313331333132313331322121111123121111121111331322223231   >>    C3123223313331322121111331333133313231333132212111112312111112111133132222323   <<    C31232233133313221211113313331333132313331322121111123121111121111331322223233   >>      C31232233133313221211113313331333132313331322121111123121111121111331322223232   >>