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diff --git a/semestr-2/racket/l14z22/solution.rkt b/semestr-2/racket/l14z22/solution.rkt
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+++ b/semestr-2/racket/l14z22/solution.rkt
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+#lang racket
+
+(require racklog)
+
+(provide solve)
+
+;; transpozycja tablicy zakodowanej jako lista list
+(define (transpose xss)
+  (cond [(null? xss) xss]
+        ((null? (car xss)) (transpose (cdr xss)))
+        [else (cons (map car xss)
+                    (transpose (map cdr xss)))]))
+
+;; procedura pomocnicza
+;; tworzy listę n-elementową zawierającą wyniki n-krotnego
+;; wywołania procedury f
+(define (repeat-fn n f)
+  (if (eq? 0 n) null
+      (cons (f) (repeat-fn (- n 1) f))))
+
+;; tworzy tablicę n na m elementów, zawierającą świeże
+;; zmienne logiczne
+(define (make-rect n m)
+  (repeat-fn m (lambda () (repeat-fn n _))))
+
+;; predykat binarny
+;; (%row-ok xs ys) oznacza, że xs opisuje wiersz (lub kolumnę) ys
+(define %row-ok
+  (%rel (xs ys zs n)
+        [(null null)]
+        [(xs (cons '_ ys))
+         (%row-ok xs ys)]
+        [((cons n xs) ys)
+         (%stars ys n)
+         (%cut-first-n ys zs n)
+         (%row-ok xs zs)]))
+
+
+(define %suffix
+  (%rel (xs ys x)
+        [(xs xs)]
+        [((cons x xs) ys)
+         (%suffix xs ys)]))
+
+(define %cut-first-n
+  (%rel (xs ys n yl)
+        [(xs xs 0)]
+        [(xs ys n)
+         (%suffix xs ys)
+         (%is #t (= (- (length xs) (length ys)) n))]))
+        
+
+;; usun n pierwszych elementow z xs
+(define (suffix xs n)
+  (if (= n 0)
+      xs
+      (suffix (cdr xs) (- n 1))))
+
+
+;; sprawdza czy pierwsze n elementów listy to gwiazdki (dokladnie n)
+(define %stars
+  (%rel (xs m n)
+        [(null 0)]
+        [((cons '_ xs) n)
+         (%is n 0)]
+        [((cons '* xs) n)
+         (%is m (- n 1))
+         (%stars xs m)]))
+
+(define %board-ok
+  (%rel (xss xs yss ys)
+        [(null null)]
+        [((cons xs xss) (cons ys yss))
+         (%row-ok xs ys)
+         (%board-ok xss yss)]))
+
+;; funkcja rozwiązująca zagadkę
+(define (solve rows cols)
+  (define board (make-rect (length cols) (length rows)))
+  (define tboard (transpose board))
+  (define ret (%which (xss) 
+                      (%= xss board)
+                      (%board-ok rows board)
+                      (%board-ok cols tboard)))
+  (and ret (cdar ret)))
+
+