C1111233133313231133133313311211113313231323223331211111211331211   >>    C111123313331323113313331331121111331323132322333121111121133121   <<    C1111233133313231133133313311211113313231323223331211111211331213   >>      C1111233133313231133133313311211113313231323223331211111211331212   >>