given a number of consecutive moves of queen, check for their validity based on their previous position....
but remember if u get an invalid move - u need check for the next move's validity based on the last valid position.....
Back and Forth Rows
Find the palindrome
Check to see if a Sudoku Puzzle is Solved
Determine if input is a Narcissistic number
Queen's move - 02
Combinatorics - 01
check whether a number is a pentatope number
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