C31232233133313221211113313331333132313331333132313113313113121   >>    C3123223313331322121111331333133313231333133313231311331311312   <<    C31232233133313221211113313331333132313331333132313113313113123   >>      C31232233133313221211113313331333132313331333132313113313113122   >>