import std.algorithm; import std.array; import std.conv; import std.math; import std.range; import std.stdio; import std.string; import std.typecons; T read(T)() { return readln.chomp.to!T; } T[] reads(T)() { return readln.split.to!(T[]); } alias readint = read!int; alias readints = reads!int; void main() { int n = readint; for (int i = n; i > 0; i--) { auto s = repeat(n, i).map!(to!string).join; writeln(s); } }