fx = 0.866
fy = 0.5
mov = [[0,0] for _ in range(4)]
for i in range(4):
print('i: ', i)
for j in range(4):
t = (4 + i - ((3-j) if j in [1,2] else j)) % 4
c = (1 - (t & 2)) * (1 - (t & 1))
s = (1 - (t & 2)) * (t & 1)
mov[j][0] = fx * c - fy * s
mov[j][1] = fx * s + fy * c
print('%5.3f' % mov[j][0], '%5.3f' % mov[j][1])