C312322331333132212111133133313331333131133113313331333133313332313212121   >>    C31232233133313221211113313331333133313113311331333133313331333231321212   <<    C312322331333132212111133133313331333131133113313331333133313332313212123   >>      C312322331333132212111133133313331333131133113313331333133313332313212122   >>