C22213331333133313112331323133313331333132321233133313221121133121   >>    C2221333133313331311233132313331333133313232123313331322112113312   <<    C22213331333133313112331323133313331333132321233133313221121133123   >>      C22213331333133313112331323133313331333132321233133313221121133122   >>