k1 = k1
k2 = k2
k3 = k3
k4 = k4
k5 = k5
k6 = k6
k7 = k7
k8 = k8
k9 = k9
k10 = k10
k11 = k11
k12 = k12
k13 = k13
k14 = k14
k15 = compartment