for (int j = 0; j < numCols; j++) {
int col = rand.nextInt(1000000);
Value val = new Value("test".getBytes(Constants.UTF8));
pc(m, col, val);
}
nm.mutate(m, i);
}
} else {
for (int i = 0; i < numRows; i++) {
int row = rand.nextInt(1000000000);
for (int j = 0; j < numCols; j++) {