C312322331333132212111133133313331333131133113313331333131133132232322131   >>    C31232233133313221211113313331333133313113311331333133313113313223232213   <<    C312322331333132212111133133313331333131133113313331333131133132232322133   >>      C312322331333132212111133133313331333131133113313331333131133132232322132   >>