Let \( \large{A= 12^{34}-56^{78}+90^{12}-34^{56}+78^{90}} \)

How many decimal digits does \( \large{A} \) have?

**Details:**

The answer might be \( <0 \) or \( >0 \)

The powers are in a consecutive order of the first \( 10 \) digits: \( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 \)

What about part \( 2 \) ? Find it here

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