C222133313331333131123313231333133313331333132112323133313331333121212321   >>    C22213331333133313112331323133313331333133313211232313331333133312121232   <<    C222133313331333131123313231333133313331333132112323133313331333121212323   >>      C222133313331333131123313231333133313331333132112323133313331333121212322   >>