C111123313121111121111331333133313331323232133313331333133313112131111223211   >>    C11112331312111112111133133313331333132323213331333133313331311213111122321   <<    C111123313121111121111331333133313331323232133313331333133313112131111223213   >>      C111123313121111121111331333133313331323232133313331333133313112131111223212   >>