C132233133112121111331333133313231333133313231133133313232223221   >>    C13223313311212111133133313331323133313331323113313331323222322   <<    C132233133112121111331333133313231333133313231133133313232223223   >>      C132233133112121111331333133313231333133313231133133313232223222   >>