k1 = cell
k2 = __lp_r2_e1
k3 = __lp_r2_p1
k4 = __lp_r3_e2
k5 = __lp_r3_p2
k6 = __lp_r4_e3
k7 = __lp_r4_p3
k8 = __lp_r5_e4
k9 = __lp_r5_p4
k10 = y1
k11 = y2
k12 = y3
k13 = y4
k14 = y5
k15 = __cm_k15