Deutsch  English

A
 1, 2, 3, 4, 5, 6, 7, 8, 9

 1, 2, 3, 4, 5, 6, 7, 8, 9
B
 1, 2, 3, 4, 5, 6, 7, 8, 9
C
 1, 2, 3, 4, 5, 6, 7, 8, 9

 1, 2, 3, 4, 5, 6, 7, 8, 9
D
 1, 2, 3, 4, 5, 6, 7, 8, 9

 1, 2, 3, 4, 5, 6, 7, 8, 9
E
 1, 2, 3, 4, 5, 6, 7, 8, 9
F
 1, 2, 3, 4, 5, 6, 7, 8, 9

 1, 2, 3, 4, 5, 6, 7, 8, 9

 1, 2, 3, 4, 5, 6, 7, 8, 9

 1, 2, 3, 4, 5, 6, 7, 8, 9
G
 1, 2, 3, 4, 5, 6, 7, 8, 9
H
 1, 2, 3, 4, 5, 6, 7, 8, 9
I
 1, 2, 3, 4, 5, 6, 7, 8, 9

 1, 2, 3, 4, 5, 6, 7, 8, 9
J
 1, 2, 3, 4, 5, 6, 7, 8, 9
K
 1, 2, 3, 4, 5, 6, 7, 8, 9

 1, 2, 3, 4, 5, 6, 7, 8, 9

 1, 2, 3, 4, 5, 6, 7, 8, 9
L
 1, 2, 3, 4, 5, 6, 7, 8, 9

 1, 2, 3, 4, 5, 6, 7, 8, 9

Alpha (7x5)

No zeros occur in this puzzle.
Across:
A: This prime number equals the sum of B down and the reverse of A down.
C: This prime number equals the digit sum of F down.
D: D across + 1 is a cubic number.
E: A palindrome.
G: G across is both a cubic number and a square number.
I: This prime number is a palindrome and has the same digit sum as F down.
K: G across multiplied with the digit product of A down.
L: This prime number equals the sum of the digit sums of A across, F down, E across, K across, and G across.
Down:
A: A square number.
B: The reverse of a prime number.
C: The reverse of this square number is prime.
D: The digit product of E across.
F: Five times A across.
H: A prime number.
I: G across plus the digit sum of G across
J: A palindrome.