C1111233133313231133133313331333133313231121333133313331323221311231   >>    C111123313331323113313331333133313331323112133313331333132322131123   <<    C1111233133313231133133313331333133313231121333133313331323221311233   >>      C1111233133313231133133313331333133313231121333133313331323221311232   >>