C222133313331333131123313231333133313331333132112323133313331312221221   >>    C22213331333133313112331323133313331333133313211232313331333131222122   <<    C222133313331333131123313231333133313331333132112323133313331312221223   >>      C222133313331333131123313231333133313331333132112323133313331312221222   >>