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B P A Q D S E R C T
B S A Q D P E R C T
B T A Q D P E R C S
B P E Q D T A R C S
B P E Q D S A R C T
B S E Q D P A R C T
B T E Q D P A R C S
C S A Q D P E R B T
C S A Q D T E R B P
C T A Q D P E R B S
C T A Q D S E R B P
C S E Q D P A R B T
C S E Q D T A R B P
C T E Q D P A R B S
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