(apply_cnot_l0_l2_i0 p0 p1)
(apply_cnot_l1_l3_i2 p12 p2)
(apply_cnot_l3_l2_i4 p2 p1)
(apply_cnot_l4_l3_i8 p3 p2)
(swap l2 l3 p1 p2)
(apply_cnot_l2_l4_i9 p2 p3)
(apply_cnot_l2_l3_i11 p2 p1)
(swap l2 l4 p2 p3)
(apply_cnot_l4_l3_i15 p2 p1)
(apply_cnot_l2_l4_i16 p3 p2)
(swap l3 l4 p1 p2)
(apply_cnot_l3_l2_i17 p2 p3)
(apply_cnot_l2_l3_i18 p3 p2)
(apply_cnot_l3_l4_i20 p2 p1)
; cost = 14 (unit cost)
