More test cases for Box of Mirrors:

Input:
//\\\\/\/\
\//\\//\//
\\/\\///\\
\///////\/
\/\\/\/\//
/\\/\/\///
\/\\/\/\/\
\\/\//\/\/
/\\/\/\\\/
\\/\\/\/\/
T3
T0
R5
L2
R6
B0
L7
B4
R8
/
T0
R0
L0
B0
\
T0
R0
L0
B0



Output:
SETUP #1
T3 -> T4
T0 -> L0
R5 -> R6
L2 -> L1
R6 -> R5
B0 -> L9
L7 -> L8
B4 -> L3
R8 -> R7
SETUP #2
T0 -> L0
R0 -> B0
L0 -> T0
B0 -> R0
SETUP #3
T0 -> R0
R0 -> T0
L0 -> B0
B0 -> L0