  NUUUUUUUN   K K NUUUUUU
222-
N   K K3-
N   K KFIU
23-
NU
22-
NUUUUUU
222
222-

NUUUUUU
222
222-
N   K K NUU2U
U2-
NU
3 K K NUUUU
22-
NK
I