Code Sketch

clear()
hop(50)
right(90)
hop(50)
repeat(3) {
  forward(100)
right(90)  
}
right(180)
repeat(3) {
  forward(100)
right(90)  
}
right(180)
repeat(3) {
  forward(100)
right(90)  
}
right(180)
repeat(3) {
  forward(100)
right(90)  
}
hop(50)
right(90)
hop(-50)