C111123313331323113313331323133313331333132313331121133133312331   >>    C11112331333132311331333132313331333133313231333112113313331233   <<    C111123313331323113313331323133313331333132313331121133133312333   >>      C111123313331323113313331323133313331333132313331121133133312332   >>