C31232233133313221211113313331333133313122132313331323132313113313112121   >>    C3123223313331322121111331333133313331312213231333132313231311331311212   <<    C31232233133313221211113313331333133313122132313331323132313113313112123   >>      C31232233133313221211113313331333133313122132313331323132313113313112122   >>