1S12  10 +
 1 #01 #0 
# # 1 12 0
2 2 2#0 0#
1012 0 0 2
 #  212#01
#210#  0 2
 # 1 10  #
10 2# #210
 12 0 0 E 
 
 

Distance from start to end is 18