Déplacer les flèches à la souris.

L_1 = Sequence(Segment[(k, (-3)), (k, 3)], k, -3, 3)
L_2 = Sequence(Segment[((-3), k), (3, k)], k, -3, 3)
A = (-2.5, -1.5)
B = (-1.5, -0.5)
C = (-0.5, -0.5)
D = (0.5, -0.5)
E = (1.5, -1.5)
F = (-0.5, -2.5)
G = (-0.5, 2.5)
c = Circle(A, 0.1)
d = Circle(B, 0.1)
e = Circle(C, 0.1)
f = Circle(D, 0.1)
g = Circle(E, 0.1)
h = Circle(F, 0.1)
k = Circle(G, 0.1)
L_3 = Sequence(Segment[(k, (-3)), (k, 3)], k, 5, 11)
L_4 = Sequence(Segment[(5, k), (11, k)], k, -3, 3)
H = (5.5, -0.5)
I = (6.5, 2.5)
J = (6.5, 0.5)
K = (7.5, 2.5)
L = (8.5, 2.5)
M = (8.5, 0.5)
N = (9.5, -0.5)
P = (10.5, -1.5)
Q = (7.5, -0.5)
R = (5.5, -1.5)
S = (8.5, -1.5)
T = (7.5, -1.5)
U = (9.5, -1.5)
V = (6.5, -2.5)
u = Vector(H, I)
v = Vector(J, K)
O = (10.5, -1.5)
w = Vector(L, O)
z = Vector(M, N)
a = Vector(U, V)
b = Vector(S, T)
W = (5.5, -1.64)
i = Vector(Q, W)