C31232233133313221211113313331311331333131323132313331323131133133313231121231   >>    C3123223313331322121111331333131133133313132313231333132313113313331323112123   <<    C31232233133313221211113313331311331333131323132313331323131133133313231121233   >>      C31232233133313221211113313331311331333131323132313331323131133133313231121232   >>