  NUUUUUUU
2-NUUUU
22-
NUUUUUUU
KF2  
 N2K K NUUUU
22-
NU
22-
NUUUUUUU
222-
N   K K NUUUU
22-
NUUUUUUU
222-
N   K K2-(
N   K 2-
NUUUUUUU
2-
N   K K NUUUU
22-
NUUUUUUU
KFIK
I