C11231323321111331312111133133313331323132313331323221132333131   >>    C1123132332111133131211113313331333132313231333132322113233313   <<    C11231323321111331312111133133313331323132313331323221132333133   >>      C11231323321111331312111133133313331323132313331323221132333132   >>