Ok, I give up - found 20 different possible solutions - all wrong. I'd like to rate this "puzzle" now, but I can't :-(

R1/c2,11-15,24
R2/c1,3,10,16,23,25
R3/c1,3,8-10,16-18,23,25
R4/c1,4,6-7,10-16,19-20,22,25
R5/c1,3,5,10,16,21,23,25
R6/c1,3,10-16,22,24
R21/c1,3,6,10,16,20,23,25.

Thanks Joe Tramp.