C1111233133313231133133313331333133313231331133132313231312112331   >>    C111123313331323113313331333133313331323133113313231323131211233   <<    C1111233133313231133133313331333133313231331133132313231312112333   >>      C1111233133313231133133313331333133313231331133132313231312112332   >>