C111113331333132322331333133313331311233132212111133131133131123313133111   >>    C11111333133313232233133313331333131123313221211113313113313112331313311   <<    C111113331333132322331333133313331311233132212111133131133131123313133113   >>      C111113331333132322331333133313331311233132212111133131133131123313133112   >>