CTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
C      T      5   5          T
C      T              TTT    T
CA!    T 5TTTTTT  5          T
C      TTT           T   5   T
CTTTT      ATT5T  TTTTT      T
C      TTTTT5  5T            T
CA!    T        T       TT   T
C      T    5   T   5        T
C      T                     T
C      T  A    TTTTTT   TT   T
C      T    5         5      T
CTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
