user=> (apply str (replicate 7 \space))
; 7 spaces
user=> (replicate 7 (rand-int 10))
(3 3 3 3 3 3 3) ; the same number
user=> (apply str (replicate 7 \space))
; 7 spaces
user=> (replicate 7 (rand-int 10))
(3 3 3 3 3 3 3) ; the same number
user=> (apply str (replicate 7 \space))
; 7 spaces
user=> (replicate 7 (rand-int 10))
(3 3 3 3 3 3 3) ; the same number