[code]
Title: Minoru's Swap
Author: Minoru Abe (imp. lexaloffle)
Difficulty: 4
Wall: 0
Floor: 0
Validation: bea842fc
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# # W W W # # # D D D # # # # 
# # W W W W W W D D D D D D # 
# # W W W # # # D D D # # . # 
# # # W # # # # # D # # # . # 
# # # D D # 0 0 # W W # # . # 
# # # D D D 0 0 0 W W W # . # 
# # # D D D 0 0 0 W W W # . # 
# # # 0 0 . . . . . . . # . # 
# # # 0 0 . . . . . . . # . # 
# # # # . . . . . . . . # . # 
# # # # # * * * * * * * . . # 
# w # # # * * * * * * * # # # 
# d # # # * * * * * * * # # # 
# . . . . . # # # # # # # # # 
# # # # # # # # # # # # # # # 
-----------------------------
Groups: AAAAAAAABBBBCCCCCCCCCCCCCCCCCCCCC    
-----------------------------
[/code]