C312322331333132212111133133313331333131133113313331311331311213233321   >>    C31232233133313221211113313331333133313113311331333131133131121323332   <<    C312322331333132212111133133313331333131133113313331311331311213233323   >>      C312322331333132212111133133313331333131133113313331311331311213233322   >>