K   K U   U RRRR   ooo
K  K  U   U R   R o   o
KKK   U   U RRRR  o   o
K  K  U   U R  R  o   o
K   K  UUU  R   R  ooo

${c2} SSS   AAA  W   W  AAA
S     A   A W   W A   A
 SSS  AAAAA W W W AAAAA
    S A   A WW WW A   A
 SSS  A   A W   W A   A