This puzzle contains only odd numbers.
Copyright 2007 by Rainer Typke.
A across = C down * D down
Prime number(F across)
G across = F across * digit product(L down)
Palindrome(H across)
K across = digit product(L down)*L down
L across = M across / digit product(I down)
M across = digit product(I down)* L across
B down = E down / D down
Prime number(C down)
Palindrome(D down)
E down = B down * D down
F down = I down * digit product(F across)
Palindrome(I down)
J down = L across +digit sum(L down)
Prime number(L down)