C313212111133131211331333133313331333132212113313331323233313231322331   >>    C31321211113313121133133313331333133313221211331333132323331323132233   <<    C313212111133131211331333133313331333132212113313331323233313231322333   >>      C313212111133131211331333133313331333132212113313331323233313231322332   >>