C111113331333132322331333133313331311233132212111133131133131123313113121   >>    C11111333133313232233133313331333131123313221211113313113313112331311312   <<    C111113331333132322331333133313331311233132212111133131133131123313113123   >>      C111113331333132322331333133313331311233132212111133131133131123313113122   >>