c ccc ccccccccc ccc
c ccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
kkkkkkkk fffffffffffffffffffffff o BBBBB
   kkkkkkkkkkk
      PPP    bnnb
      PPPPPP bddddddddDdddonb
      PPPP   bddddddddDdddonnb
   kkk
kkk
