BLOCK_LEVELS = new Array(
"#                  #\n"+
"#                  #\n"+
"#                  #\n"+
"#   #       #      #\n"+
"#D  #   # B # B U  #\n"+
"####################",

" #    ##         ##    \n"+
" #                 #   \n"+
"##                  #  \n"+
"#D                   # \n"+
"##                    #\n"+
" #            #  B    #\n"+
" #            #B BBU  #\n"+
" #####    #############\n"+
"     #   B#            \n"+
"     ######            ",

" #                 \n"+
" #   ############# \n"+
"# # #             #\n"+
"#  #              #\n"+
"#                B#\n"+
"#               BB#\n"+
"# ###    U   #B ## \n"+
"# # #    #  #####  \n"+
"# # #BB ##  #      \n"+
"#D# ###### ##      \n"+
"### ##   ###       ",

"                  #     \n"+
"                 # #    \n"+
"       #        #   #   \n"+
"      # #      #     #  \n"+
"   ###   #    #       # \n"+
"  #       #  #         #\n"+
" #         ##          #\n"+
" #                    B#\n"+
" #                   BB#\n"+
" #               U   ###\n"+
"##    #          #   #  \n"+
"#D    # B        #####  \n"+
"##### # B   B  ###      \n"+
"    # # B # #B #        \n"+
"    # ##########        \n"+
"    ###                 ",

"     ###    ######### \n"+
" ####   ####         #\n"+
"#                    #\n"+
"#                    #\n"+
"#                    #\n"+
"#     #              #\n"+
"#     #              #\n"+
"#     #BBBB          #\n"+
"#D   #######U        #\n"+
"## ###     ## #     B#\n"+
" # #        # ##   BB#\n"+
" # #        # ##  BBB#\n"+
" ###        # ########\n"+
"            ###       ",

" ###             ####\n"+
" #  #############   #\n"+
"##                  #\n"+
"#D                  #\n"+
"##                  #\n"+
" #                BB#\n"+
" #BB        #  B  ###\n"+
" #BBB       #UBBB #  \n"+
" #BBBB      ##### #  \n"+
" #####    ###   ###  \n"+
"     #   B#          \n"+
"     ## ###          \n"+
"      ###            ",

"  #   #####   ##   ###  \n"+
" # # #     # #  # #   # \n"+
" #  ##      ##   ##    #\n"+
" #   #       #    #    #\n"+
" #                    B#\n"+
" #                    B#\n"+
"##                   BB#\n"+
"#D   B               ###\n"+
"##   # B     #    ## #  \n"+
" #   # B    ## B U####  \n"+
" ##  # BBB  ## BBB#     \n"+
"  #  ###### #######     \n"+
"  ## #    ###           \n"+
"   ###                  ",

" ###       ####   #######  \n"+
"#   #     #    # #       # \n"+
"#    #   #     ##         #\n"+
"#B    ###    # #     ###  #\n"+
"#BB         ##      ## #  #\n"+
"####       ##          #D #\n"+
"   ##            ##    ## #\n"+
"  #    B #      #  #      #\n"+
"  #    B# #    #   #      #\n"+
" #   ###   #    #  #     B#\n"+
" #      # #      ##     BB#\n"+
"#        #           ######\n"+
"#            B            #\n"+
"#    B      ###          B#\n"+
"#   ###                 BB#\n"+
"#        B       B  U  BBB#\n"+
"###########################",

"        ###         \n"+
"       #   #        \n"+
"      #     #  #####\n"+
"     #       ##    #\n"+
"    #     B        #\n"+
"   #      BB      B#\n"+
"  #       ###    BB#\n"+
" #            U ####\n"+
"#             B    #\n"+
"#D           ###   #\n"+
"##    ##   #      B#\n"+
" #    ##B  ##   ####\n"+
" #    #######  ##   \n"+
" ###  #     # ##    \n"+
"   # ##     ###     \n"+
"   ###              ",

"   #####################   \n"+
" ##           #         #  \n"+
"####B       BB#B   BBB B## \n"+
"#  ##  #   #####  B### ## #\n"+
"#   #  ##        ### ###  #\n"+
"#   ##  ##BBBB            #\n"+
"#D       #######          #\n"+
"##        #   ###        ##\n"+
" #     B   # #  ##        #\n"+
" #     #    #    ##       #\n"+
" ####  ##             #####\n"+
"   #####      U           #\n"+
"   #          #           #\n"+
"   #         ##    ########\n"+
"   #        ##           # \n"+
"   #          B         B# \n"+
"   #B    ###########   BB# \n"+
"   #BB  ##         ## BBB# \n"+
"   ######           ###### ",

"#############################\n"+
"#  #   #                    #\n"+
"#     B#BB            ##### #\n"+
"#B   ### B##     B  ##  D # #\n"+
"#BB    ###   U  B       # # #\n"+
"###  BB#     # B          # #\n"+
"#   ####      #  ###   ###  #\n"+
"#B            # #      #  B #\n"+
"#BB       ### # #B    #  ####\n"+
"#### B   ###  # ##B  # B #  #\n"+
"#           B ###  B#   #   #\n"+
"#   B     BB #   ####       #\n"+
"#    #########        ##### #\n"+
"#              B   B##    # #\n"+
"####           B   #    BB# #\n"+
"#B##   #    #          #### #\n"+
"##B### #    #   BBB B       #\n"+
"#B#B#B##    #        BBB    #\n"+
"#############################");
BLOCK_HASHES = new Array('%74%63%70','%41%52%6f','%43%4b%73','%64%61%4e','%42%41%48','%49%6f%6e','%54%77%65','%6e%54%79','%69%52%43','%4a%6d%4b','%77%54%46');
BLOCK_RHASHES = new Array();

for(var i = 0; i < BLOCK_HASHES.length; i++) {
    BLOCK_HASHES[i] = unescape(BLOCK_HASHES[i]);
    BLOCK_RHASHES[BLOCK_HASHES[i]] = i;
}