--[[
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
CCCCDDDDCCECDDDDCCCC
CCCCEDDDCCECDDDDCCCC
CCCCEDDDCCECDDDDCCCC
CCCCEDDDCCECDDDDCCCC
AAAAEEEEEEEABBBBAAAA
AAAAEBBBAAEABBBBAAAA
AAAAEBBBAAEABBBBAAAA
AAAAEBBBAAEABBBBAAAA
CCCCEDDDCCECDDDDCCCC
CCCCEDDDCCECDDDDCCCC
CCCCEDDDCCEEEEEECCCC
CCCCEDDDCCCCDDDDCCCC
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
AAAABBBBAAAABBBBAAAA
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
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00000000000000000000
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00000210000000120000
00000000001000000000
00000000000000000000
]]
tableau.t = 43000