pattern ####/\#### ###/##\### ##/#/\#\## #/#/##\#\# /#/#/\#\#\ \#\#\/#/#/ #\#\##/#/# ##\#\/#/## ###\##/### ####\/####

 Input : 

5

Output:

####/\####

###/##\###

##/#/\#\##

#/#/##\#\#

/#/#/\#\#\

\#\#\/#/#/

#\#\##/#/#

##\#\/#/##

###\##/###

####\/####

 Input : 

11

Output:

##########/\##########

#########/##\######### 

########/#/\#\######## 

#######/#/##\#\####### 

######/#/#/\#\#\###### 

#####/#/#/##\#\#\##### 

####/#/#/#/\#\#\#\#### 

###/#/#/#/##\#\#\#\### 

##/#/#/#/#/\#\#\#\#\## 

#/#/#/#/#/##\#\#\#\#\# 

/#/#/#/#/#/\#\#\#\#\#\ 

\#\#\#\#\#\/#/#/#/#/#/ 

#\#\#\#\#\##/#/#/#/#/# 

##\#\#\#\#\/#/#/#/#/## 

###\#\#\#\##/#/#/#/### 

####\#\#\#\/#/#/#/#### 

#####\#\#\##/#/#/##### 

######\#\#\/#/#/###### 

#######\#\##/#/####### 

########\#\/#/######## 

#########\##/######### 

##########\/##########

Solution:

a=int(input())
for i in range(1,a+1):
    for j in range(1,a+1-i):
        print("#",end="")
    for k in range(1,i+1):
        if(k%2!=0):
            print("/",end="")
        else:
            print("#",end="")
    for k in range(i,i+i):
        if(k%2!=0):
            print("\\",end="")
        else:
            print("#",end="")
    for j in range(1,a+1-i):
        print("#",end="")
    print()
for i in range(a):
    for j in range(i):
        print("#",end="")
    for j in range(1,a+1-i):
        if(j%2!=0):
            print("\\",end="")
        else:
            print("#",end="")
    for j in range(i+1,a+1):
        if(j%2!=0):
            print("/",end="")
        else:
            print("#",end="")
    for j in range(i):
        print("#",end="")
    print()