C111123313331323113313331333133313331323133113313331333131332212323331   >>    C11112331333132311331333133313331333132313311331333133313133221232333   <<    C111123313331323113313331333133313331323133113313331333131332212323333   >>      C111123313331323113313331333133313331323133113313331333131332212323332   >>