K  K  U   U  PPPP   N   N  U   U 
 K K   U   U  P   P  NN  N  U   U 
 KK    U   U  PPPP   N N N  U   U 
 K K   U   U  P      N  NN  U   U 
 K  K   UUU   P      N   N   UUU