C1111233133313231133133313231333133313113313113313231333131131221   >>    C111123313331323113313331323133313331311331311331323133313113122   <<    C1111233133313231133133313231333133313113313113313231333131131223   >>      C1111233133313231133133313231333133313113313113313231333131131222   >>