--[[
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
EEEEEEEEECCCDDDDCCCC
CCCCDDDDCCCCDDDDCCCC
CCCCDDDDCCCCDDDDCCCC
CCCCDDDDCCEEEEEEEEEE
EEEEBBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAAEEEEEEEE
AAAABBBBAAAABBBBAAAA
CCCCDDDDCCCCDDDDCCCC
CCCCDDDDCCCCDDDDCCCC
EEEEEEEEEEECDDDDCCCC
CCCCDDDDCCCCDDDDCCCC
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00100000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000002000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00001100000000022000
00000000000000000000
00000000000000000000
]]
tableau.t = 50000