C2123132222131133131121131211113313231322331333133311211331323223331322331   >>    C212313222213113313112113121111331323132233133313331121133132322333132233   <<    C2123132222131133131121131211113313231322331333133311211331323223331322333   >>      C2123132222131133131121131211113313231322331333133311211331323223331322332   >>