C1111233133313231133133313331333133313231331133132313331333112331313111   >>    C111123313331323113313331333133313331323133113313231333133311233131311   <<    C1111233133313231133133313331333133313231331133132313331333112331313113   >>      C1111233133313231133133313331333133313231331133132313331333112331313112   >>