C312322331333132212111133133313331333131133113313331333132112121331   >>    C31232233133313221211113313331333133313113311331333133313211212133   <<    C312322331333132212111133133313331333131133113313331333132112121333   >>      C312322331333132212111133133313331333131133113313331333132112121332   >>