C132233133112121111331333133313121111331333133313231333132323231   >>    C13223313311212111133133313331312111133133313331323133313232323   <<    C132233133112121111331333133313121111331333133313231333132323233   >>      C132233133112121111331333133313121111331333133313231333132323232   >>