VVV
   AAAAA UUUUU VVVVV

   A A A   U U U  V V V

   A A  U U  V V  A A U U V V

   A U V  A U V

   AA UU VV  AAUUVV

   AUV  AUV  AUV

   +  !

   AAAAA UUUUU VVVVV 44444

   A A A   U U U  V V V  4 4 4

   A A  U U  V V  4 4

   A A U U V V 4 4

   A U V 4  A U V 4

   AA UU VV 44  AAUUVV44

   AUV4  AUV4  AUV4

   +  !