C2123132222131133131121131211113313231322331333132213331322333123311   >>    C212313222213113313112113121111331323132233133313221333132233312331   <<    C2123132222131133131121131211113313231322331333132213331322333123313   >>      C2123132222131133131121131211113313231322331333132213331322333123312   >>