0 -> x_0
x_0 -> 0
x_0 -> y_0
x_0 -> L_0
y_0 -> 0
y_0 -> y_1
L_0 -> y_0
y_0 -> 0
y_1 -> 0
y_1 -> 0
L_0 -> 0
0 -> v_0
v_0 -> 0
0 -> z_a
0 -> z_a
z_a -> 0
m_0_0 -> 2*m_1_0
m_1_0 -> 2*m_2_0
m_2_0 -> 2*m_3_0
m_3_0 -> 2*m_4_0
m_4_0 -> 2*m_5_0
m_5_0 -> 2*m_6_0
m_6_0 -> 2*m_7_0
m_7_0 -> 2*m_8_0
m_8_0 -> 0