निम्नलिखित संख्या और प्रतीक श्रृंखला को देखें और उसके बाद आने वाले प्रश्न का उत्तर दें। गणना केवल बाईं से दाईं ओर की जानी है। (बायाँ) @ 4 6 8 * $ $ $ £ % 4 6 7 1 5 * 4 * 4 4 2 $ (दायाँ) ऐसे कितने प्रतीक हैं, जिनमें से प्रत्येक के ठीक पहले एक संख्या और ठीक बाद में भी एक संख्या है?

Refer to the following letter-number-symbol series and answer the question. Counting is to be done from left to right. All numbers are single-digit numbers. (Left) V 3 J @ L # E Z T 3 G 4 4 4 E 2 & 3 C Y $ G (Right) How many such letters are there each of which is immediately preceded by a number and also immediately followed by a symbol?

How many such pairs of digits are there in the number '2817296458' that have the same number of digits between them as in the natural number sequence, when counted in both forward and backward directions?