LG book Drill Page 148 Question 6

[pfjddream]

I am confused on this question and not sure how to read/interpret the given solution.

From my attempt, I determined 5 possible layouts

SRVTW
RVTWS
TWSVR
WTSVR
SVRTW
SVRWT

Can you point me in the right direction? Where am I going wrong?

Thanks!

[tommywallach]

Please post this in correct forum, which is under Curriculum, not challenges. Thanks!

-t