C312322331333132212111133133313331333131133113313331333132112311321   >>    C31232233133313221211113313331333133313113311331333133313211231132   <<    C312322331333132212111133133313331333131133113313331333132112311323   >>      C312322331333132212111133133313331333131133113313331333132112311322   >>