C222133313331333131123313231333133313331333132112323133322221211   >>    C22213331333133313112331323133313331333133313211232313332222121   <<    C222133313331333131123313231333133313331333132112323133322221213   >>      C222133313331333131123313231333133313331333132112323133322221212   >>