C22213331333133313112331323133313331333133313222313331322121211231   >>    C2221333133313331311233132313331333133313331322231333132212121123   <<    C22213331333133313112331323133313331333133313222313331322121211233   >>      C22213331333133313112331323133313331333133313222313331322121211232   >>