from itertools import*
E=enumerate
def f(w):
 C=0;D={i:(C:=C+1)if'|'==a else 0for i,a in E(w[0])};B=[[*i]for i in zip(*w[::-1])]
 for I,j in E(B):
  for a,b in groupby(E(j),key=lambda x:x[1].lower()):
   u=[*b]
   if'x'==a:
    for A,_ in u:B[I][A]=' '
    if v:=sum(2*(t=='X')-1for _,t in u):B[I][u[-1][0]]=v
 return'\n'.join(f'{D[i-1]} {D[i+1]} '+['L','R'][a==1]for j in zip(*B)for i,a in E(j)if a in[1,-1])
 
s0 = """
| | | |
 X  | |
| |  x 
|  X  |
| | | |
"""
s1 = """
| | | | | |
| |  X   x 
 X  |  x  |
|  x  |  X 
 X   X  | |
| | | | | |
"""
s2 = """
| | |
 X  |
|  x 
| | |
|  X 
|  x 
| | |
"""
s3 = """
|
"""
s4 = """
| |
 X 
 x 
 X 
 x 
 X 
 x 
 X 
 x 
 X 
 x 
| |
"""
s5 = """
| |
 X 
 X 
 x 
 X 
 x 
 x 
| |
"""
def to_board(s):
	return [[*i]for i in filter(None, s.split('\n'))]
 
print(f(to_board(s0)))
print('-'*40)
print(f(to_board(s1)))
print('-'*40)
print(f(to_board(s2)))
print('-'*40)
print(f(to_board(s3)))
print('-'*40)
print(f(to_board(s4)))
print('-'*40)
print(f(to_board(s5)))

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