C111123313121111121111331333133313331333221311312111133133313232212323323311   >>    C11112331312111112111133133313331333133322131131211113313331323221232332331   <<    C111123313121111121111331333133313331333221311312111133133313232212323323313   >>      C111123313121111121111331333133313331333221311312111133133313232212323323312   >>