C2123132222131133131121131211113313231322331333132233132313213231   >>    C212313222213113313112113121111331323132233133313223313231321323   <<    C2123132222131133131121131211113313231322331333132233132313213233   >>      C2123132222131133131121131211113313231322331333132233132313213232   >>