C31232233133313221211113313331333132313331322121111123121111331323213232331   >>    C3123223313331322121111331333133313231333132212111112312111133132321323233   <<    C31232233133313221211113313331333132313331322121111123121111331323213232333   >>      C31232233133313221211113313331333132313331322121111123121111331323213232332   >>