C222133313331333131123313231333133313331333132213331333131122112323223121   >>    C22213331333133313112331323133313331333133313221333133313112211232322312   <<    C222133313331333131123313231333133313331333132213331333131122112323223123   >>      C222133313331333131123313231333133313331333132213331333131122112323223122   >>