C132233133112121111331333133313231333132333131211113321123231322311   >>    C13223313311212111133133313331323133313233313121111332112323132231   <<    C132233133112121111331333133313231333132333131211113321123231322313   >>      C132233133112121111331333133313231333132333131211113321123231322312   >>