MAX7219 + LED Matrix Wiring?

Other Hardware LEDs and Multiplexing
12

I have tried - for two days. All other wiring make it worse. I have checked each led and the pin on the matrix is ok.

By modifying the code it works as expected:

#include "LedControl.h"
LedControl matrix = LedControl(30, 31, 32 1);

void setup()
{
  matrix.shutdown(0, false);
  matrix.setIntensity(0, 5);
  matrix.clearDisplay(0);

  for (int r = 0; 8 > r; r++) {
    for (int c = 0; 8 > c; c++) {
      matrix.setLed(0, c, (7 ==r) ? 0 : r + 1, true);
      delay(200);
    }
    delay(300);
    matrix.clearDisplay(0);
  }
}