TTTTTTTTTTTTTTTTTTTTTTTVVVVVVVV           VVVVVVVVhhhhhhh             
T:::::::::::::::::::::TV::::::V           V::::::Vh:::::h             
T:::::::::::::::::::::TV::::::V           V::::::Vh:::::h             
T:::::TT:::::::TT:::::TV::::::V           V::::::Vh:::::h             
TTTTTT  T:::::T  TTTTTT V:::::V           V:::::V  h::::h hhhhh       
        T:::::T          V:::::V         V:::::V   h::::hh:::::hhh    
        T:::::T           V:::::V       V:::::V    h::::::::::::::hh  
        T:::::T            V:::::V     V:::::V     h:::::::hhh::::::h 
        T:::::T             V:::::V   V:::::V      h::::::h   h::::::h
        T:::::T              V:::::V V:::::V       h:::::h     h:::::h
        T:::::T               V:::::V:::::V        h:::::h     h:::::h
        T:::::T                V:::::::::V         h:::::h     h:::::h
      TT:::::::TT               V:::::::V          h:::::h     h:::::h
      T:::::::::T                V:::::V           h:::::h     h:::::h
      T:::::::::T                 V:::V            h:::::h     h:::::h
      TTTTTTTTTTT                  VVV             hhhhhhh     hhhhhhh