C312322331333132212111133133313331333131133113313331323231323311   >>    C31232233133313221211113313331333133313113311331333132323132331   <<    C312322331333132212111133133313331333131133113313331323231323313   >>      C312322331333132212111133133313331333131133113313331323231323312   >>