00  01  02  03  04  05  06  07  08  09  10  11  12  13  14  15  16  17  18  19   
                                                       #############################   
                                                       #...#...#...#...#...#...#...#   
00                                                     #TRV#...|...|...|ALT#...#...# 00
                                                       #...#...#...#...#...#...#...#   
                           #####                   ######-##...#############...#...#   
                           #...#                   #...........#...............#...#   
01                         #...#                   #...........#...............|...# 01
                           #...#                   #...........#...............#...#   
                           #####               #####...#####...#...#####...#########   
                                               #.......#...#.......#...#...#...#...#   
02                                             #.......|THR#.......#...|...#FNT# / # 02
                                               #.......#...#.......#...#...#...#...#   
                                               #...##########-######...#####...#...#   
                                               #...........#...#...#...#...#...#...#   
03                                             #...........#...#...#...| / |...#...# 03
                                               #...........#...#...#...#...#...#...#   
           #############################################...######-##############...#   
           #...#...#...#...#...#...#...#...#...#...#...#.......#...................#   
04         #FNT|...|...|...|ALT|...|...|...|...|...|...#.......# \ ................# 04
           #...#...#...#...#...#...#...#...#...#...#...#.......#...................#   
           ##-#######-#######-#######-#######-#######-###-######################...#   
           #...#...#...#...#...#...#...#...#...#...#...#...#...#...............#...#   
05         #...#...|...|...|...|...|ELV|...|...|...#...#...| \ #...............#...# 05
           #...#...#...#...#...#...#...#...#...#...#...#...#...#...............#...#   
           ##-###-#######-#######-#######-#######-###-##########...##-###-##...#...#   
           #...#...#...#...#...#...#...#...#...#...#...#.......#...#...#...#...#...#   
06         #...|...#...|...|...|...|...|...|TPT#...|...#.......s...#...#...#...#...# 06
           #...#...#...#...#...#...#...#...#...#...#...#.......#...#...#...#...#...#   
           ##-###-###-#######-#######-#######-###-###-##...#####...#########...#...#   
           #...#...#...#...#...#...#...#...#...#...#...#...#...#.......#...#...#...#   
07         #...#...|TRV#...|...|...|...|...#...|...#ALT# / sPITs.......#...|...#...# 07
           #...#...#...#...#...#...#...#...#...#...#...#...#...#.......#...#...#...#   
           ##-###-###-###-#######-#######-###-###-###-##...#########...#########...#   
           #...#...#...#...#...#...#...#...#...#...#...#...#...#...#.......#.......#   
08         #...|...#...|...#...|...#...#...|...#...|...#...#PIT#...#.......# \ ....# 08
           #...#...#...#...#...#...#...#...#...#...#...#...#...#...#.......#.......#   
           ##-###-###-###-###-###s###-###-###-###-###-##...#####...#####...#####...#   
           #...#...#...#...#...#...#...#...#...#...#...#...#...........#...#...#...#   
09         #...#...|...#...|...#EXC#...|...#...|...#...#...#....ELV....#...#...#...# 09
           #...#...#...#...#...#...#...#...#...#...#...#...#...........#...#...#...#   
           ##-###-###-###-###-###s###-###-###-###-###-##...#############...##s###-##   
           #...#...#...#...#...#...#...#...#...#...#...#...#...#.......#...#.......#   
10         #...|...#...|...#TPT|...|...#...|...#...|...#...#...|....ALT#...#.......# 10
           #...#...#...#...#...#...#...#...#...#...#...#...#...#.......#...#.......#   
           ##-###-###-###-#######-#######-###-###-###-##...#...#.......#...#.......#   
           #...#...#...#...#...#...#...#...#...#...#...#...#...#.......#...#.......#   
11         # / #...|ELV#...|...|...|...|...#...|...#...# \ #...#.......#...#.......# 11
           #...#...#...#...#...#...#...#...#...#...#...#...#...#.......#...#.......#   
           ##-###-###-#######-#######-#######-###-###-##...#...#########...######s##   
           #...#...#...#...#...#...#...#...#...#...#...#...#...#.......#...#.......#   
12         #...|...#...|...|ALT|...|...|...|THR#...|...#...#...#THR....#...#.......# 12
           #...#...#...#...#...#...#...#...#...#...#...#...#...#.......#...#.......#   
           ##-###-#######-#######-#######-#######-###-##...#...#.......#...##s######   
           #...#...#...#...#...#...#...#...#...#...#...#...#...#.......#...#.......#   
13         #...#...|...|...|...|...|...|...|...|...#...#...#...|.......#...#.......# 13
           #...#...#...#...#...#...#...#...#...#...#...#...#...#.......#...#.......#   
           ##-#######-#######-#######-#######-#######-##...#...##########-##.......#   
           #...#...#...#...#...#...#...#...#...#...#...#...#.......#.......#.......#   
14         #FNT|...|...|...|...|...|...|...|...|...|...#...#.......|.......#.......# 14
           #...#...#...#...#...#...#...#...#...#...#...#...#.......#.......#.......#   
           ######################################-######...#####...######s##########   
                                           #...........#...#...#...#...#...#           
15                                         #........ / #...#...#...#...s...#         15
                                           #...........#...#...#...#...#...#           
                                           ##################-##...######s##           
                                               #...................#.......#           
16                                             #\ /................|.......#         16
                                               #...................#.......#           
                                               #############################           
                                                   #.......#                           
17                                                 #.......#                         17
                                                   #.......#                           
           #####                                   #.......#                           
           #...#                                   #.......#                           
18         #...#                                   #.......#                         18
           #...#                                   #.......#                           
           #####                                   #########       #####               
                                                                   #...#               
19                                                                 #...#             19
                                                                   #...#               
                                                                   #####               
     00  01  02  03  04  05  06  07  08  09  10  11  12  13  14  15  16  17  18  19