C11112331333132311331333133313331333132312323133313331311211332331   >>    C1111233133313231133133313331333133313231232313331333131121133233   <<    C11112331333132311331333133313331333132312323133313331311211332333   >>      C11112331333132311331333133313331333132312323133313331311211332332   >>