C132233133112121111331333133313331323132313221131211113313223231   >>    C13223313311212111133133313331333132313231322113121111331322323   <<    C132233133112121111331333133313331323132313221131211113313223233   >>      C132233133112121111331333133313331323132313221131211113313223232   >>