C312322331333132212111133133313331333131133113313331333131211111211111323131   >>    C31232233133313221211113313331333133313113311331333133313121111121111132313   <<    C312322331333132212111133133313331333131133113313331333131211111211111323133   >>      C312322331333132212111133133313331333131133113313331333131211111211111323132   >>