C132233133112121111331333133313231333133313231211111333132313113313112121   >>    C13223313311212111133133313331323133313331323121111133313231311331311212   <<    C132233133112121111331333133313231333133313231211111333132313113313112123   >>      C132233133112121111331333133313231333133313231211111333132313113313112122   >>