C2123132222131133131121131211113313231322331333132213331322323311   >>    C212313222213113313112113121111331323132233133313221333132232331   <<    C2123132222131133131121131211113313231322331333132213331322323313   >>      C2123132222131133131121131211113313231322331333132213331322323312   >>