C31232233133313221211113313331333132313331121133133313233313331121211   >>    C3123223313331322121111331333133313231333112113313331323331333112121   <<    C31232233133313221211113313331333132313331121133133313233313331121213   >>      C31232233133313221211113313331333132313331121133133313233313331121212   >>