C2123132222131133131121131211113313231322331333132213331322331211   >>    C212313222213113313112113121111331323132233133313221333132233121   <<    C2123132222131133131121131211113313231322331333132213331322331213   >>      C2123132222131133131121131211113313231322331333132213331322331212   >>