C21321133133313121211113313331323133313113121111331333132233322131   >>    C2132113313331312121111331333132313331311312111133133313223332213   <<    C21321133133313121211113313331323133313113121111331333132233322133   >>      C21321133133313121211113313331323133313113121111331333132233322132   >>