C312322331333132212111133133313331333131133113313331333131211111122112311   >>    C31232233133313221211113313331333133313113311331333133313121111112211231   <<    C312322331333132212111133133313331333131133113313331333131211111122112313   >>      C312322331333132212111133133313331333131133113313331333131211111122112312   >>