aaaaaaaaaaaaaa aaaaa aa aaa aaaaaaaa aa a a a
aaaaaaaaaaaaaaaa aaaa a a a a aa a a
aaaaaaaaaaaaaa .sSS a a .sSS a .sSS aa a a
aaaaaaaaaaaaa ,dP a ,dP ,dP aa a
aaaaaaaaa aa ,d::::: ,d::::P,d::::P aa a
aaaaaaaaaaa ,diiiiii ,diiiiP,diiiiP a aa a a
aaaaaaaaaa ,dSSSSP,dSSSSP,dSSSSP a a a a
aaaaaaaa ,d8888P d8888P,d8888P a aa a a a
aaaaaaaa ,dP P,dP a a a a
aaaaaaa dP a dP dP aa a a
aaaaaaaa S a a S a S a a a a a a
aaaaaaaaaa aaaaaaaaa aaa aa aaa aa a a a a a a
negative i n f i n i t y