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Commit 5ec9052

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Solve day25 part 1

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	`1`	`+def getcode(row, column):`
	`2`	`+ rowfirst = (row*(row-1)/2) + 1`
	`3`	`+ index = int(rowfirst + sumAP(row+1, column-1))`
	`4`	`+`
	`5`	`+ code = 20151125`
	`6`	`+ for i in range(index-1):`
	`7`	`+ code = nextcode(code)`
	`8`	`+ return code`
	`9`	`+`
	`10`	`+def sumAP(first, number):`
	`11`	`+ return 0.5 * number * (2*first + (number-1))`
	`12`	`+`
	`13`	`+def nextcode(prevcode):`
	`14`	`+ return (prevcode*252533) % 33554393`
	`15`	`+`
	`16`	`+`
	`17`	`+print(getcode(3010, 3019))`

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