C222133313331333131123313231333133313331333132331211331333132212313331323311211   >>    C22213331333133313112331323133313331333133313233121133133313221231333132331121   <<    C222133313331333131123313231333133313331333132331211331333132212313331323311213   >>      C222133313331333131123313231333133313331333132331211331333132212313331323311212   >>