k someone help me out.

im learnin the loop for C++ n im v confused. so someone help me understand this segment.

#include
int main ( ) {
int x, y, z;
for ( x = 1; x <=3; x++ ) {
for ( y = 1; y < 3; y++ ) {
if ( y == 2 )
break;
for (z = 1; z < 3; z++) {
cout << x << " " << y;
cout << " " << z << endl;
}
}
}
return 0;
}

k, in blogger, its not comin out like it should be. damn it. it wont display properly.