C312322331333132212111133133313331323133313331333133313211231111   >>    C31232233133313221211113313331333132313331333133313331321123111   <<    C312322331333132212111133133313331323133313331333133313211231113   >>      C312322331333132212111133133313331323133313331333133313211231112   >>