for i in xrange(1,3):
set(a_output,y-i,x,color)
set(a_output,y+i,x,color)
set(a_output,y,x-i,color)
set(a_output,y,x+i,color)
for i in xrange(1,3):
set(a_output,y-i,x,color)
set(a_output,y+i,x,color)
set(a_output,y,x-i,color)
set(a_output,y,x+i,color)