($w,$h,$z)=glob<>;
$s=$w%3==2?2:1;
$t=$h%3==2?2:1;

if($z>$s*$t*9){
	print -1;
	exit;
}

for$y(0..$h-1){
	for$x(0..$w-1){
		print $a[$y%3*3+$x%3]//=do{$y%3==2||($h-$y)%3==0||$x%3==2||($w-$x)%3==0 ? 0 : $z>9?($z-=9,9):($t=$z,$z=0,$t)};
	}
	print$/;
}