C312322331333132212111133133313331333131133113313331333133313133313231332321   >>    C31232233133313221211113313331333133313113311331333133313331313331323133232   <<    C312322331333132212111133133313331333131133113313331333133313133313231332323   >>      C312322331333132212111133133313331333131133113313331333133313133313231332322   >>