This a sequel to: Batman and the piano
Master Bruce has received three items, in the mail, from none other than Edward Nigma.
One item is a piece of paper with a grid of dots in an arrangement of 10 dots wide by 12 dots high.
It looks like this:
The second is a slip of paper that simply states:
75 67 67 63 66 3a 2f 2f 74 62 62 2e 74 79 2f 38 66 4c 4c 53 37
The third is a note that states:
I hope this finds you well. I'm sure you've been anxious for our next game together. I've placed a bomb somewhere in Gotham. You have one chance to figure out where it is!! You must send this letter back to me with the correct location circled on the grid. If it is incorrect, the bomb will go off! If, by some miracle, you're correct - then perhaps we'll have another game to play together, some day!
Perhaps you people can once again help us? This one may take a little time, but I do not know how much of it we have.