C111123313331323113313331333133313331323133113313331333132313231333211221   >>    C11112331333132311331333133313331333132313311331333133313231323133321122   <<    C111123313331323113313331333133313331323133113313331333132313231333211223   >>      C111123313331323113313331333133313331323133113313331333132313231333211222   >>