JJJJJ
   J
   J
   J  AAA
   J  A A
   J A  A
J  J A  A
J  J AAAA PPPP
 JJJ A  A P  P
     A  A P  P
     A  A PPPP
     A  A P
          P  H   H
          P  H   H
          P  H   H
          P  HHHHH
             H   H
             H   H
             H   H