// pinMode 0: leg down, 1: leg up
const int pinLegFL = 11;
const int pinLegBL = 9;
const int pinLegML = 10;
const int pinLegFR = 6;
const int pinLegBR = 4;
const int pinLegMR = 5;


// pinMode 0: leg back 1: leg forward
const int pinMoveFBR = 2;
const int pinMoveMR = 3;
const int pinMoveFBL = 7;
const int pinMoveML = 8;

const int delayTime = 500;

void setup() {
  pinMode(pinLegFL, OUTPUT);  
  pinMode(pinLegML, OUTPUT);  
  pinMode(pinLegBL, OUTPUT);  
  pinMode(pinLegFR, OUTPUT);  
  pinMode(pinLegMR, OUTPUT);  
  pinMode(pinLegBR, OUTPUT);  
  pinMode(pinMoveFBR, OUTPUT);  
  pinMode(pinMoveFBL, OUTPUT);  
  pinMode(pinMoveMR, OUTPUT);  
  pinMode(pinMoveML, OUTPUT);  

  digitalWrite(pinLegFL, 0);
  digitalWrite(pinLegML, 0);
  digitalWrite(pinLegBL, 0);
  digitalWrite(pinLegFR, 0);
  digitalWrite(pinLegMR, 0);
  digitalWrite(pinLegBR, 0);

  digitalWrite(pinMoveFBR, 1);
  digitalWrite(pinMoveFBL, 1);
  digitalWrite(pinMoveMR, 1);
  digitalWrite(pinMoveML, 1);
}

void loop() {

  delay(delayTime);
  digitalWrite(pinLegFL, 1);
  digitalWrite(pinLegBL, 1);
  digitalWrite(pinLegMR, 1);

  delay(delayTime);
  digitalWrite(pinMoveFBR, 0);
  digitalWrite(pinMoveML, 0);
  digitalWrite(pinMoveFBL, 1);
  digitalWrite(pinMoveMR, 1);
  
  delay(delayTime);
  digitalWrite(pinLegFL, 0);
  digitalWrite(pinLegBL, 0);
  digitalWrite(pinLegMR, 0);
  
  delay(delayTime);
  digitalWrite(pinLegFR, 1);
  digitalWrite(pinLegBR, 1);
  digitalWrite(pinLegML, 1);
  
  delay(delayTime);
  digitalWrite(pinMoveFBL, 0);
  digitalWrite(pinMoveMR, 0);
  digitalWrite(pinMoveFBR, 1);
  digitalWrite(pinMoveML, 1);
  
  delay(delayTime);
  digitalWrite(pinLegFR, 0);
  digitalWrite(pinLegBR, 0);
  digitalWrite(pinLegML, 0);

}