C111113331333132322331333133313331311233132212111133131333131331211   >>    C11111333133313232233133313331333131123313221211113313133313133121   <<    C111113331333132322331333133313331311233132212111133131333131331213   >>      C111113331333132322331333133313331311233132212111133131333131331212   >>