C132233133112121111331333133313231333133313231133133313331121123311   >>    C13223313311212111133133313331323133313331323113313331333112112331   <<    C132233133112121111331333133313231333133313231133133313331121123313   >>      C132233133112121111331333133313231333133313231133133313331121123312   >>