C13223313311212111133133313331333132313231322113121111331323112331333122321   >>    C1322331331121211113313331333133313231323132211312111133132311233133312232   <<    C13223313311212111133133313331333132313231322113121111331323112331333122323   >>      C13223313311212111133133313331333132313231322113121111331323112331333122322   >>