#define A 0
#define B 1
#define C 2
#define D 3
#define E 4


#define PIN_CONFIG 0
#define PIN_STATE 1

#define LED_Num 20

int matrix[LED_Num][2][5] = {
  //           PIN_CONFIG                  PIN_STATE
  //    A       B       C      D      E         A     B    C    D    E
  { { OUTPUT, OUTPUT, INPUT, INPUT, INPUT }, { HIGH, LOW, LOW, LOW, LOW } }, 
  { { OUTPUT, OUTPUT, INPUT, INPUT, INPUT }, { LOW, HIGH, LOW, LOW, LOW } }, 
  { { OUTPUT, OUTPUT, OUTPUT, INPUT, OUTPUT }, { LOW, LOW, HIGH, LOW, LOW } },
  { { OUTPUT, OUTPUT, OUTPUT, INPUT, INPUT }, { LOW, LOW, LOW, HIGH, LOW } }, 
  { { INPUT, OUTPUT, OUTPUT, INPUT, OUTPUT }, { LOW, LOW, LOW, LOW, HIGH } },
  { { INPUT, OUTPUT, OUTPUT, INPUT, INPUT }, { HIGH, LOW, LOW, LOW, LOW } }, 
  { { INPUT, OUTPUT, OUTPUT, OUTPUT, OUTPUT }, { LOW, HIGH, LOW, LOW, LOW } }, 
  { { INPUT, OUTPUT, OUTPUT, OUTPUT, OUTPUT }, { LOW, LOW, HIGH, LOW, LOW } }, 
  { { INPUT, OUTPUT, INPUT, OUTPUT, INPUT }, { LOW, LOW, LOW, HIGH, LOW } }, 
  { { INPUT, OUTPUT, INPUT, OUTPUT, INPUT }, { LOW, LOW, HIGH, LOW, HIGH } }, 
  { { OUTPUT, INPUT, OUTPUT, OUTPUT, OUTPUT }, { HIGH, LOW, LOW, LOW, LOW } }, 
  { { OUTPUT, OUTPUT, OUTPUT, INPUT, INPUT }, { LOW, HIGH, LOW, LOW, LOW } }, 
  { { OUTPUT, INPUT, OUTPUT, INPUT, INPUT }, { LOW, LOW, HIGH, LOW, LOW } },
  { { OUTPUT, INPUT, OUTPUT, INPUT, INPUT }, { LOW, LOW, HIGH, LOW, LOW } }, 
  { { OUTPUT, INPUT, INPUT, OUTPUT, OUTPUT }, { LOW, LOW, LOW, LOW, HIGH } }, 
  { { INPUT, INPUT, INPUT, OUTPUT, INPUT }, { HIGH, LOW, LOW, LOW, LOW } }, 
  { { INPUT, OUTPUT, INPUT, OUTPUT, OUTPUT }, { LOW, HIGH, LOW, LOW, LOW } }, 
  { { INPUT, OUTPUT, INPUT, OUTPUT, OUTPUT }, { LOW, LOW, HIGH, LOW, LOW } }, 
  { { INPUT, INPUT, OUTPUT, OUTPUT, INPUT }, { LOW, LOW, LOW, HIGH, LOW } },  
  { { INPUT, INPUT, OUTPUT, OUTPUT, OUTPUT }, { LOW, LOW, LOW, HIGH, HIGH } }  
};

void lightOn( int led ) {
  pinMode( A, matrix[led][PIN_CONFIG][0] );
  pinMode( B, matrix[led][PIN_CONFIG][1] );
  pinMode( C, matrix[led][PIN_CONFIG][2] );
  pinMode( D, matrix[led][PIN_CONFIG][3] );
  pinMode( E, matrix[led][PIN_CONFIG][4] );
  digitalWrite( A, matrix[led][PIN_STATE][0] );
  digitalWrite( B, matrix[led][PIN_STATE][1] );
  digitalWrite( C, matrix[led][PIN_STATE][2] );
  digitalWrite( D, matrix[led][PIN_STATE][3] );
  digitalWrite( E, matrix[led][PIN_STATE][4] );
}

void setup() {}

void loop() {
  for( int l = 0; l < LED_Num; l++ ) {
    lightOn( l );
    delay( 1000 / LED_Num );
  }
}