C1111233133313231133133313331333133313231331121133131333132313311   >>    C111123313331323113313331333133313331323133112113313133313231331   <<    C1111233133313231133133313331333133313231331121133131333132313313   >>      C1111233133313231133133313331333133313231331121133131333132313312   >>