Four beautiful levels - niwa, Archanfel, David Buchweitz, laizhufu

        #####
 ########   ##
##    $ $    #
#  #$## ##$# #
#  $  # #  $ #
#  # ..... # #
##$##.###.##$#
 #   .# #.   #
 #$##.###.##$##
 # # .....##  #
 # $  # #  $  #
 # #$## #@$#  #
 #    $ $    ##
 ##   ########
  #####

Author: niwa
Title: Squaring the circle (b)
Date: 2013.9.25
URL: sokoban.org
Difficulty: 7
Best moves/pushes: 1969/532 (Paul Voyer)

################
#  #############
#    ##       ##
# $# # $     $ #
# $  #         #
# $$ #         #
#  # ######...##
# $$$     #...##
#  $@$#$$$#...##
# # $ # $ #...##
# $ $   # #...##
#  $$#  $ *...##
##        #...##
################

Author: Archanfel
Title: Tower of chameleon
Date: 2013.9.30
URL: www.letslogic.com/puzzle_info.php?id=44342
Difficulty: 6.5
Best moves/pushes: 1067/429 

        ####
 ########  ###
 #           #
 # #######.# #
## #  ...  # #
#  #  $$$  # #
# #####@#### #
# #   $$$  # #
# #   ...  # #
# ##$####### #
#            #
####  ########
   ####

Author: David Buchweitz + Jordi Domenech
Title: Chrysalis Collection 8 #13 a
Date: 2013.11.13
URL: www.letslogic.com/puzzle_info.php?id=44206
Difficulty: 7
Best moves/pushes: 391/54 

           ########
         ##*.*.*.*.###              *  *
        ##*.*.*.*.*.*##           *  *  *
       ##*.*.*.*.#.*.*##        *  *  *  *
       #*.*.#.*+#*#.*.**##       *  *  *  *
    ###*.*.*.#.*.#.*.*.***##  ##  *  *  *  *
    #   *.*.*.*.*.*.*.*##***# #*#     *  *  *
   # $ ##*.*.*.*.*.$.*#  ##**#**#         *  *
  ##  $ ##*.*.*.*#*.*# #   #***#              *
 ## $$ $ ##*.*.*##.*#   ##  ###
 # $  $ $ #######  ##
 #  $  $ $ #       ##
 # $ $  $ $ # $ $ $  #
# # $ $  $ $ # $ $ $  #
#  # $ $  $ $ # # $ $  #
#   # $ $  $ $ #   $ $  #
 #   # $ $  $ $ .#  $ $  #
      # $#$  $#$ ##  $#$ #
       #         # #     #
       ########### #######

Author: laizhufu
Title: 大象戏水 (Elephant bathing)
Date: 2013.11.1
URL: sokoban.org
Difficulty: 6.5
Best moves/pushes: 2224/964