C111123313331323113313331333133313331323133113313231323131121121133131   >>    C11112331333132311331333133313331333132313311331323132313112112113313   <<    C111123313331323113313331333133313331323133113313231323131121121133133   >>      C111123313331323113313331333133313331323133113313231323131121121133132   >>