C11112331333132311331333133313331333132313311331323133313331312113323331   >>    C1111233133313231133133313331333133313231331133132313331333131211332333   <<    C11112331333132311331333133313331333132313311331323133313331312113323333   >>      C11112331333132311331333133313331333132313311331323133313331312113323332   >>