C111123313121111121111331333133313331323232133313331323131121233131   >>    C11112331312111112111133133313331333132323213331333132313112123313   <<    C111123313121111121111331333133313331323232133313331323131121233133   >>      C111123313121111121111331333133313331323232133313331323131121233132   >>