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ffffffffffffffff tttt tttt iiii
f::::::::::::::::f ttt:::t ttt:::t i::::i
f::::::::::::::::::f t:::::t t:::::t iiii
f::::::fffffff:::::f t:::::t t:::::t
f:::::f ffffff ttttttt:::::ttttttt ttttttt:::::ttttttt iiiiiii wwwwwww wwwww wwwwwww
f:::::f t:::::::::::::::::t t:::::::::::::::::t i:::::i w:::::w w:::::w w:::::w
f:::::::ffffff t:::::::::::::::::t t:::::::::::::::::t i::::i w:::::w w:::::::w w:::::w
f::::::::::::f tttttt:::::::tttttt tttttt:::::::tttttt i::::i w:::::w w:::::::::w w:::::w
f::::::::::::f t:::::t t:::::t i::::i w:::::w w:::::w:::::w w:::::w
f:::::::ffffff t:::::t t:::::t i::::i w:::::w w:::::w w:::::w w:::::w
f:::::f t:::::t t:::::t i::::i w:::::w:::::w w:::::w:::::w
f:::::f t:::::t tttttt t:::::t tttttt i::::i w:::::::::w w:::::::::w
f:::::::f t::::::tttt:::::t t::::::tttt:::::t i::::::i w:::::::w w:::::::w
f:::::::f tt::::::::::::::t tt::::::::::::::t i::::::i w:::::w w:::::w
f:::::::f tt:::::::::::tt tt:::::::::::tt i::::::i w:::w w:::w
fffffffff ttttttttttt ttttttttttt iiiiiiii www www