C111123313331323113313331333133313331323133113313331333132212312231   >>    C11112331333132311331333133313331333132313311331333133313221231223   <<    C111123313331323113313331333133313331323133113313331333132212312233   >>      C111123313331323113313331333133313331323133113313331333132212312232   >>