NR=1,a=pan,b=pan
NR=1,a=pan,b=pan
NR=2,a=eks,b=pan
NR=1,a=pan,b=pan
NR=2,a=eks,b=pan
NR=3,a=wye,b=wye
NR=1,a=pan,b=pan
NR=2,a=eks,b=pan
NR=3,a=wye,b=wye
NR=4,a=eks,b=wye
