C1111233133313231133133313331333133313231331121133131333131323131   >>    C111123313331323113313331333133313331323133112113313133313132313   <<    C1111233133313231133133313331333133313231331121133131333131323133   >>      C1111233133313231133133313331333133313231331121133131333131323132   >>