C312322331333132212111133133313331333131133113313331333222121211   >>    C31232233133313221211113313331333133313113311331333133322212121   <<    C312322331333132212111133133313331333131133113313331333222121213   >>      C312322331333132212111133133313331333131133113313331333222121212   >>