C132233133112121111331333133313231333133313231133133313112133313111   >>    C13223313311212111133133313331323133313331323113313331311213331311   <<    C132233133112121111331333133313231333133313231133133313112133313113   >>      C132233133112121111331333133313231333133313231133133313112133313112   >>