小:

in1:
6 8
\\//\\\\
/\\/\\\\
\\\\/\\\
\\\/\\\\
\\\\\\\\
\\/\\\\\

out1:
2

in2:
6 4
/\/\
\\\\
////
\/\\
//\/
\\/\

out2:
2

in3:
6 8
\\/\\\/\
\\\\\\/\
\\\\\\/\
\\\/\\\\
/\\\\/\\
\/\/\//\

out3:
1

in4:
8 6
\\\///
\\\\\/
\\\\\\
/\\\/\
/\\///
///\\\
\/\/\\
\//\\\

out4:
0

in5:
8 6
\\/\//
\\\/\/
\\\\//
\/\\/\
/\/\\\
\\\\\/
/\/\\\
\\\\\\

out5:
1

in6:
8 8
\\///\//
\\\\\\/\
///\\///
/\\\\\\\
\//\\/\\
\\\/\\/\
///\/\/\
\\/\\\/\

out6:
1

in7:
6 6
/\\//\
\/\///
\/\\\\
/\\\/\
\\\///
/\\\\\

out7:
2

in8:
6 4
\//\
\///
\//\
\\\\
\\/\
\/\/

out8:
3

in9:
6 6
/\/\\/
\\\/\/
/\/\//
\\//\/
/\\\/\
\\\//\

out9:
3

in10:
6 4
\\/\
\/\\
\//\
\/\/
\//\
\\/\

out10:
2

中:

in1:
15 15
/\/\\\/\/\\\\\\
\/\//\\/\\\\//\
\\/\/\\\\\\\\/\
/\//\\\\//\\\\\
/\\\\\//\\\///\
\/\\\\\\\/\\///
/\\/\\\/\//\//\
\\\\////\\/\/\\
\\\/\/\\//\/\/\
\\\\\\/\\\\\\/\
/\\\/\\\\\///\\
\/\//\\\/\\/\\/
//\\\/\/\\\\\\\
/\\///\\\\/\\/\
\\\\\/\\\//\\\/

out1:
4

in2:
21 17
\\\\\\\/\/\/\//\/
/\\//\\\//\\\\\\\
\\/\\\\\/\\/\\\//
\/\\\///\\\\\\/\\
\\\\///\\\\/\/\\\
///\\\\\\\\\\\\/\
\\\\/\/\\\\\\\\//
\\\/\\/\\//\\///\
/\\\\\\\\\\\\\\/\
/\\/\//\/\\\/\/\/
\\/\/\\\\/\\\\///
//\\/\\\//\\\////
//\\\\//\//\/\\//
/\\/\\///\\/\/\/\
\\/\/\/\\\\\\\\\\
//\/\\/\//\\\\\/\
\\\\\\\\\\//\/\\/
/\\\\\\\\/\\/\\/\
/\/\\/\/\\/\\\\\/
//\\\\\//\\\\\/\\
\\/\\\\\\\\\\\/\\

out2:
2

in3:
19 15
//\//\\\//\\/\\
\/\\\\/\\//\\\\
//\//\\\\\\//\/
\\\\\/\\\\/\/\\
/\\\\\\\\\\/\\\
/\\\/\\\\\/\\//
///\\\\\/\/\\\/
\\\\\//\//\\\\\
////\\\\\/\\\\\
\\\///\\\//\\\\
\\\/\/\\\\\\///
\\\\//\\/\/\\/\
/\/\/\\\\\\/\\/
\//\\////\/\\\\
\\\/\\/\\\\\/\/
\\\/\/\\\\\//\/
/\/\/\\\\\\/\\\
/\\\\\\\/\\\\\\
\\\\/\\\/\\/\//

out3:
2

in4:
13 19
\\\\/\/\\\\/\\/\/\/
\\\\\\\\\\/\////\\\
\\\/\\///\/\/\\\/\\
/\\/////\\\\\///\\\
/\\\\///\\\\/\\/\/\
\\\//\/\\\\\/\\\\\/
\/\\/\\/\/\/\/\\\\\
\\/\\///\\\///\\\\\
\\///\\/\\\\/\//\/\
\\\\/\\/\\/\\\/\/\/
\\///\\\\\\\\\\////
/\//\/\//\/\/\/\\\\
\/\\\\\\\/\\/\/\//\

out4:
0

in5:
17 13
\\\\\\///\\\/
///////\\//\\
\\/\\\/\\\//\
///\\//\\//\\
/\\/\\\/\\\\\
/\\\\\\\\\///
///\///\/\\\\
\\\\\//\/\/\/
/\\\\\//\\\\/
\\\\\\\/\\///
//\\\/\\/\\/\
\\\/\/\\\\\\\
\\\\\/\\\/\\\
\\//\\\\///\/
///\\\\/\\/\\
/\\/\\\\/\\\/
\\/\\//\\\///

out5:
2

in6:
14 14
/\/\\\\\/\\\\\
\\\\/\\\\\\\\\
\//\\\\\///\\/
\//\\\\\\/\\\/
/\\\\//\\\\//\
/\/\\/\//\\\\\
\\\\\/\\\\//\\
\\\/\\\\/\\\\/
\\\\//\\\\\/\\
//\/\/\\/\\\\\
\\\\/\\\///\/\
\\\//\///\\\\\
////\\//\///\\
/\//\\\//\/\\\

out6:
2

in7:
18 18
\\\//\\\/\/\////\/
/\\\\\\\\\\///\/\/
\\\//\\\/\\\//\\/\
\\\\\\///\\\/\\\/\
/\\\\\\\\\///\/\\/
\\/\\\\/\/\\\/\\\/
/\\\/\/\\\/\\\\\//
\\/\/\\///\/\\/\\\
///\\\/\/\/\\\\\\/
\\/\\\\\/\/\\\//\/
/\\\\////\//\\\/\\
////\//\\\\\///\\\
//\\\/\\\/\/\\/\//
/\\/\\\\\\/\\\////
\/\\\\/\\/\\/\\\\\
\\/\/\//\\\/\\\/\\
\\\\\//\\\/\//\\\\
\\\\\\/\/\\/\/\\\\

out7:
2

in8:
17 17
\\/\\\///\//\\/\/
/\//\//\\\//\\\\\
\\\\\\\////\//\\\
\\\\/\\\\\\\\////
\\\\\\\\/\/\\\\\\
\\//\/\\\\\\\/\\\
\/\///\\\//\\\\/\
\\\\\////\//\\///
/\\\\\/\\\\\\\/\/
\/\\\\/\\\/\\\/\\
/\\/\/\\\///\\///
//\\/\\\///\//\\\
/\///\\\/\\\//\\\
/\\/\/\\\\\/\\\/\
\\//\\/\\\\/\\\/\
\\/\\\\/\\\\/\\\/
//\\\//\\\/\\\/\\

out8:
1

in9:
15 15
/\/\//\//\\/\\\
\//\////\\\\\\\
\\\\/\\//\\\\\\
\\/\\/\/\\\\\\\
\\\\\\\/\\\\\\\
\/\\\\/\\\\\\\/
/\\//\/\\/\\/\\
\\\\\/\\\\\\/\\
\///\\\\\\/\\\/
/\\\\\\/\\\/\/\
\\\\/\\\\\\\\\\
\\\\\/\\\\\\\/\
\\/\\\//\/\/\/\
\\//\/\//\\\\\/
\\\\\\\\/\/\/\\

out9:
2

in10:
19 17
/\\/\\/\/\/\/\\//
/\\\\\/\/\/\\//\\
\////\\\\\\//\\//
\/\\/\//\//\\/\/\
\\\/////\\\\\/\\\
\\\/\/\\//\/\//\\
\/\\/\\/\\\/\\/\\
\\\\\\//\\\///\\\
\\/\//\//\\\\\\\\
///\\\\/\//\/\\\/
//\\/\\\\\\\\\\\/
/\\\\\\\/\/\\\/\\
/\\/\\\\\/\\/\\/\
\//\/\\\\/\\\\\\\
/\\\\\//\\\/\/\//
\\\\/\\\/\\//////
\/\\\\\/\\////\\\
/\//\/\/\/\//\\/\
/\/\\\\\\\/\/\/\/

out10:
5

大:

in1:
39 31
\\//\//\\////\\/\\/\\\\\\\\////
\\/\\//\\\/\\\/\//\\\///\\/\/\/
\\\\\/\\\\////\\\\\//\\\\\\\\\\
\////\/\/\\//\\\\/\/\\//\\\/\\\
\\////\\/\\\\\\/\\/\\\/\//\/\\\
\\/\\/\\\/\/\\/\\\\\\\\/\\/\/\/
/\//\\\\\\\/\\\\\\\//\//\//\\\/
/\\\\/\\\\//\/\/\/\\\//\\/\//\\
\\\/\\\/\\//\/\//\\\\\\///\//\/
\\\\\//\\/\\\///\\\\\\\//\//\//
\/\/\\\\\\\/\\\\/\\\\//\\\\/\\\
/\\/\\\\\\\\//\\//\\\\\/\//\\\\
\\\\\/\\//\//\/\\//\\\/\\////\\
\\\\/\\\\\\///\\\\\\\\\\\\/\\\\
//\\\\\/\\\\/\\///\\///\\\/\\\\
\\/\\/\/\//\\//\\\/\/\\\\\/\/\\
\//\/\\\\\\\///\\\\/\\\\/\\\\/\
\//\\\/\\\/\\/\\/\\\/\/\/\/\/\\
\\\///\//\/\/\\\\/\/\/\/\\\\\//
\\\/\\//\\//\\\\\\/\/\\/\\\\\\/
/\\\/\\\//\\\\\/\\\\\//////\\\\
\\\\\\/\\\/\/\\\\\/\\\\\\\\\\\\
\/\\//\\/\/\\/\\\\///\\/\\\\\\/
/\/\/\\\\/\\/\/\\////\/\\\\\\\/
\/\\\\\/\\\//\\\/\\\\/\\\/\/\\\
\\\\\\\\\\\\/\\/\/\\////\\\\\/\
\\/\\\/\/\\//\\\/////\\\\///\\/
\///\/\/\\/\\\\\\\\\\/\/\\//\/\
\\\//\\\\/\///\\\/\\\//\\\/\\//
/\/\\\\\/\\/\\/\\/\/\\\\\/\/\\\
//\//\//\/\\\\\\\/\/\\/\/\\/\\\
\\/\\\//\\/\\//\/\\\//\\\///\/\
\\\\\\\/\\\/\\\\/\\\\/\/\\\\//\
/\/\//\\\\\\/\\\\\/\\//\\\\/\//
\/\\/\\\\/\/\\\\\\//\/\//\\\\\\
///\\\\\\\\/\/\\\\\\\\\/\\\\\//
\\/\\/\/\\\\\\//\\////\\\\\/\\\
\/\\\\/\\\/\\//\\\\/\\\\\\/\//\
\\\\\/\\\\\\///\\\\\\/\////\\\\

out1:
3

in2:
39 45
\\\\\\/\\\\//\//\\\/\/\\\/\\\\\\\/\/\\\\\\\\\
\\\/\\\\\\\\\\///\\\\\\\\/\/\/\/\//\\/\/\\//\
\/\\/\/\\\/\\\//\/\/\\\\\//\\/\/\/\\\/\\/\\\\
\///\\\\\\\/\\\\\//\\\\//////\\/\\\//\\//\\//
\\\/\\\/\///\/\\\\\\\\\/\\\\\\\/\\\/\/\/\/\\\
\/\/\\\\\\//\/\/\\\\\\//\\\\/\//\\\\\/\\\\\\/
/\/\/\/\\\\\\\\\\\/\\//\\/\\\/\\\/\/\\\\\/\\\
\\\\\\//\\\\\\\//\\\\///\//\\\\/\\\\\\//\/\\/
\\/\\\\\\\/\\\\\\//\\\\\\\\\\\/\//\\\/\/\/\/\
\\/\\\\/\\\/\\/\/\\/\\\/\///\\\\\\/\\\//////\
\\\\/\/\/\//\/\\\\\\\\//\\/\\\\\//\/\\\\\/\\\
\/\///\\\/\//\\//\\//\\\\\/\/\/\//\\\\\/\\\\\
\\\//\\\/\\\/\\\\\/\\\/\/\\\\\/\/////\/\\/\/\
\\\\/\\/\\/\/\\\\\/\\\\/\\/\\/\\/\\\//\\\\\\/
//\/\\/\///\\/\\/\\\//\\//\\////\/\\///\\/\\\
\//\\\\//\/\//\\\////\\\\\\//\//\\\\\/\\\/\/\
\/\/\//\\\\\\\\\//\\\\/\\\\\\\//\\//\\/\\/\\/
\//\\/\\\\\\\\\/\\/\/\\\\\//\\/\\/\\/\\//\/\\
\\//\/\\\\/\\\/\/\\/\/\/\//\\\/\\\\/\\\\/\/\/
/\/\/\\/\\/\/\/\\\\\\\\\/\\////\\\\\////\//\/
/\///\\////\//\//\\\\\/\\\/\/\\/\\\/\\\\//\\\
\//\\/\/\\/\\\\/\///\\\\///\\\\//\\/\\/\\/\\\
\\\\\/\/\\/\\\/\\\\\\\\\/\\\\//\\///\\\\\\\/\
/////\/\\/\\\\\\//\////\\\\/\//\\\\\\///\\///
\\\\\\/\\\\\\\\\/\\/\\\\\\\/\\\\\/\\/\\//\/\\
\//\\\\//\\/\\/\\\\\//\\\\\/\/\\\/\//\\\\/\/\
\\\\\\\/\\/\////\\//\\//\\\/\\/\\\/\\//\\\\\\
\\/\\\///\\//\////\\\/\\/\/\\\/\\/\\\\\/\/\\\
\\\/\\\/\/\\/\\/\/\/\/\\\/\/\\/\/\\/\//\/\\/\
\////\\/\\//\\//\\\\\\\\//\\//\\\//\/\\\\\\\\
//\\/\\/\//\/\/\/\\/\\/\\\\\\\/\\/\\\///\/\\\
/\\\\//\\\\/\\\//\\\\\///\/\\\\\\/\\/\\/\\///
\/\\/\\\\\/\\\\//\\/\\/\\\/////\/\/\\/\\\\/\/
/\/\\\\///////\\\\\\\\\\/\/\//\\\//\\\//\\\/\
\\\\\\/\\\/\//\\//\//\\\/\/\/\\/\\//\\\\\/\//
\/\//\\/\\\/\//\/\\\\//\/\\\//\\\\/\\//\/\\/\
\\\\\///\\/\/\\\///\\/\\\\\\\/\\\\\\/\/\\\\/\
/\\\\\\\\\//\\//\\\\\/\\\\/\\\\\/////\\\\\\\/
\\\//\\/\\//\/\/\/\\\/\/\/\\\/\\\\\/\\\/\\/\/

out2:
3

in3:
46 50
\\\/\\//\/\\/\\/\/\\\/\/\/\/\\\/\//\\\\\\/\\\\///\
/\\\\\\\/\///\\\\\\\//////\/\\/\/\\////\/\///\///\
/\\/\\\\/\\\\\\\\\/\\\\/\\/\/\//\\\/\\\/\\\\\\/\/\
\/\\//\//\\\//\\/\\\\\/\\\\/\/\\\/\\\/\\/\\\\//\\/
//\\\\/\\\\\/\/\//\\\\//\\\\\\/\/\////\/\/\\\\/\\/
/\\//\\\/\\\\/\\\\/\\\/\\\\\\//\\\/\\////\//\\///\
\/\/\\/\\\\\\\\\\\//\/////\\\//\\///\\\\/\\/\\\\\\
\\\/\/\\\\\/\//\\\//\\\\\//\/\\\\/\\/\\/\/\/\\\/\\
//\\//\\\\\\\\\\\\\\\\//\\\\\/\/\/\\/\\\//\\\/\\\\
\\\\\\//\\//\\\//\\\\\\/\/\\\\//\\\\\/\/\\\\\\\\\/
\\\\\\\\/\/\/\/\/////\\\/\\\\\\\//\/\//\\/\\\\\\\\
//\/\\\\/\\\\/\\//\\\/\\//\/\\//\\\\\/\\\\\\\/\\\\
\\\\/\\\\\\\/\\/\\\//\\/\\\\\\\\\\\//\\\\/\//\\\/\
\/\//\///\/\\\\/\//\/\\/\\//\/////\/\\//\/\\\\\\/\
\/\\/\\\\\\\\\\\\\/\\/\/\\\/\/\\\\\\/\\\\\/\/\\\\\
\///\/\/\/\//\\\\/\//\\///\\\\\/\/\\\\\/\//\/\\//\
\//\/\\\\//\\/\\/\/\\/\\\/\\\\/\\\/\\/\/\\/\\\\\//
\\/\\\\\\/\\\\/\\\\\\\\/\\/\//\\\\\/\/\\/\/\\\\\/\
\/\\\\/\\\//\\/\\\\\\\/\////////\\/\\/\\\\\\/\\\\\
\\\\/\///\\//\///\\\\\\\///\\\/\/\\/\\/\\\\/\///\\
\//\\\\\\/\/\\\\/\\\\\\\\\//\\\\\\\\\/\\\\\\\\\/\\
\\\\\\\//\\\\\\\\\\\/\\////\/\\\\\\\\/\/\\\\\\\\\\
\//\\///\\\/\//\//\/\\\\\/\//\\\/\\///\\\\\\\///\\
//\\\\////\\/\///\\\/\\\/\/\\/\\\\\\\/\\\\\\\//\\/
\\\\\/\\/\\\\\\/\\///\/\\\\\/\\\\\//\\//\\/\/\/\\\
/////\\\\\\/\\\\\/\\/\\//\\\\//\\/\/\\\/\\\/\/\/\\
\\\\\\\\\/\\//\\\/\\\\\\\\\\/\///\\/\\\\/\\\\/\\\/
\\/\\\/\/\\\\\///\\\\\\\\\\\/\\\\\/\\\///\\\/\\\/\
\\/\\\\/\\\\\\////\\\//\\/\\\/\/\\\\\\\\\\\\/\//\\
\//\//\/////\/\\/\\/\\//\/\///\//\/\///\\/\\\/\\\\
/\/\//\\//\\\/\\///\//\//\\\///\\\//\\\/\\/\/\////
\/\//\\/\\\\\\\\\/\/\///\\/\\/\\\\/\/\\//\\/\\\/\\
/\\/\\\\\\\/\\//\\\\/\\\\\\\\/\\/\\\\//\//\/\//\\/
/\\\\/\\/\/\\/\/\/\/\\/\\\\/\\\///\\\\/\//\////\\\
\\\////\\\\////\/\/\\///\\\\\///\\//\\//\///\\\/\/
\/\\\\\/\/\\\////\//\\\\/\\\\\\\//\///\\\\//\\////
\/\\\\\/\\\\//\\\\\\\\\\\\\/\\/\/\\/\\\//\\/\\\\\\
\/\/\\//\\\/\\\\\//\/\\\\\/\//\\\\///\/\\//\\\/\/\
\\\//\\//\/\\\/\\//\/\\\/\/\\\/\\\/\/\\\/\/\\\\\\\
\\\\\\/\\\\//\\\\\/\/\/\\///\\\\\\\/\\/\/\\\\/\\/\
\/\\\\\/\\\/\/\\\\/\\\\\\/\\\\\\////\\\\/////\////
/\\/\/\/\\\\/\\//\\/\\\/\\\\\/\/\\\//\\\\//\\\/\\/
\/\\\/\\/\\/\/\\//\\\\\\\/\/\\\\////\/\//\\//\//\/
\//\/\\/\\\\/\\\/\\/\\/\//\\\\\\//\\/\\\/\/\//\\/\
\\/\/\\/\/\//\\/\\\\/\\\/\\\\\\//\\\\\/////\\/\/\\
\\\\\\\/\\\\\\//\\/\/\\\\\\\\\\\\/\\\\/\\\\//\\\/\

out3:
1

in4:
31 31
\\\/\/\//\\\\\\\/\\\\/\\///\\\\
\\/\/\\///\\\\//\\\\\\\\\\/\\\\
//\\\/\//\\\/\\\//\\\/\\//\\\\/
\//\/\/\\\\\//\//\\\/\\\/\\\\/\
/\\\\/\/\\\/\//\\\\\/\/\\\/\///
\\\\\\\/\\\\\///\\\\\\/\\/\\\//
\\/\\\\\\\\\\\//\\\\\\\\\\\\\//
\\\\/\\/\/\\\\\///\\\\\\\\\//\\
/\//\\\/\\/\\\/\///\\/\\/\\//\\
/\/\\/\\//\\/\\\\\\\\\/\\//\\\\
\//\\////\\/\\\\\\\/\/\\\/\\///
\\/\\/\\\//\\//\//////\\\\/\\\\
\\\\\/\\\\\\\\\\/\////\\///\//\
\/\\/\/\\\\///\///\\//\\\/\\/\/
\\\\/\\\/\\\//\//\///\\/\\\\\\\
\\/\\\\\\/\\\\\\//\\/\\\\\\\\\\
\/\\\\\\\\///\\/\\/\/\\\/\/\\\/
\\\\/\\/\\\\\\/\\\//\//\\/\\//\
\\\/\\\//\/\\/\/\\/\/\/\/\/\\\\
\\\\\///\/\\\\\\\//////\\/\/\\/
\/\\\/\\\/\\//\//\/\\/\\\\/\/\/
\/\\/\\//\/\//\/\\/\\\\/\\\\\/\
\\/\\\/\\\\\\/\\\/\\\//\\\\\\\/
\/\\\\\\\\/\/\\\/\///\\/\/\\//\
/\\\\//\\\\\\\\\\\\\\/\/\\//\\\
\\\\\\\\/\\//\\\\\\/\\\/\/\//\\
\\\\\/\/\//\/\\/\/\/\//\/\\\//\
\/\\///\/\\\\\/\/\\\\/\//\\\\\/
\/\///\\\\\\\/\\\\\\/\\\\\\\/\/
\\/\\\\/\\\\\\/\\/\\\\/\///\//\
\/\/\/\/\\\\/\//\/////\\/\/\\\/

out4:
3

in5:
40 48
\\/\\\\\\\/\\/\\//\\\\\\/\\\\\\\/\\/\\\\\\\/\\\/
///\\//\\\\\/\\/\//\/\\\\///\/\\/\/\\/\//\\/\//\
\\\\\\/\\\\\/\\\//\\\\\\\\\\/\/\\\\\\\\\//\\/\\\
///\/\\\/\\/\/\\\\///\///\/\/\\/\/\/\//\//\/\\\\
/\/\\\/\\\\\\\\//\/\\/\//\\\\\\\/\\\/\\/\/\\/\//
\/\\\\/\\\\\\////\\/\\\\\/\/\\\\\\///\/\\\\///\\
//\\\\\/\\\/\\\\/\\\\\\\\/\\\\//\/\\//\\/\\/\///
/\\\\\//\\\\\\///\/\\\/\/\/\\\\///\\\\/\/\\\\\/\
\\\\\\\\\///\\/\\/\/\/\\\/\//\\/\\\/\\\\\\\/\/\\
\\\\\/\/\\\\\\/\\/\\\//\/\\\\/\\\\/\\/\/\\\\/\\\
//\\\//\//\/\/\\\\\\\\\\/\\\\\/\/\/\\\\\/\\\\\//
\\//\/\\\\\\/\\\\\//\/\\/\\\\/\\/\\\\\\\\\/\\/\\
\\\/\\\\/\\\/\\\\\\/\\\\\\/\/\\/\\/\\//\\/\\\\/\
\/\\\//\\\\\/\\\/\\\\\\\/\\/\\/\\\\\\/\\//\\/\\\
/\\\\\\\\\\\\/\\\\\\\//\/\\\\\\\\/\\\\\////\\\/\
\/\\\\/\\\\\/\/\\\\/\/\/\/\\/\\\\/\\/\\\/\/\/\\/
\\/\/\\/\\/\\\\/\/\/\///\\\\\//\\\\\\\\\\/\//\\/
\\\\/\\/\\////\\\\\/\\/\\\/\\/\//\/\\\\/\//\/\/\
\/\///\\/\/\\\\/\/\\\\/\\/\\\//\\/\/\\/\\//\\\\\
//\\\\\/\/\\\/\/////\\\///\\\/\\\//\\\/\/\\//\\\
/\\//\///\\\\/\\\//\/\/\\\\\\/\/\\\//\//\/\\\//\
/\\\\\/\///\\///\\/\//\//\\\\/\\\/\\\\/\//\/\/\\
\\\/\\//\\\\\/\\\\\/\/\/\\\\\\\\/\/\\\/\/\/\\\\\
//\\\\\/\\///\/\/\\\\\/\//\\\\\\///\\/\//\\\//\\
\\\/\\\\\/\\/\/\\\\/\\\\/\\///\\/\\\\\\/\\\\\//\
/\/\/\\\\\\\\//\\//\\\\\\\\\\/\//\\/\\/\\/\\//\/
\\\\\\\/\\\\\\\\\\\\\\\\\\\\/\///\/\\\\/\\\/\\\/
/\\\\\\/\\\\\\\\\\\\/\///\\\\/\\\\\/\/\\\\///\//
\/\\\//\\\/\\/\\\\\\\\\\/\\\\\\\\//\\////\\/\\\/
\\//\////\\\\\\\\/\/\\/\//\//\//\//\//\/\/\\/\\\
\\/\\/\\\\/\/\\/\\\/\//\\/\\/\\/\//\\\/\/\\\\\//
\\//\\\/\\/\\\\\\/\\\\/\\\\\\\/\\\\\\/\\\\\/\\/\
\//\\//\/\/\\\\\/\\\\\\\/\\\\\\\/\\////\/\\\/\\\
/\\//\///\\\\\\\\/\\/\\\\/\\\//\\\\\\/\\\\/\\\\/
\/\/\\\\\\\/\\\//\\\\/\/\\\\\\\//\\\\\\\\//\/\\\
/\\/\\\\\\//\/\//\/\/\\\/\/\\/\\\/\\/\\/\\\/\/\\
/\\\\\//\\\\///\\\\/\///\\\\/\/\\\\\///\///\\\/\
/\///\\\\\\\\\/\\\///\\/\//\/\\\//\\\\\//\/\\\\\
\\\\\/\/\\/\\\/\\///\\\\\\/\/\\\/\\\\\\/\\\\\\\/
\\//\\///\\/\\\/\/\\/\\\\\\\\/\\\\\\\\///\\\\\\\

out5:
3