146376311462000229044089943070 - 27661941^2 =146,376,311,461,999,463,861,110,055,589,
146,376,311,461,999,463,861,110,055,589*4+1=585,505,245,847,997,855,444,440,222,357,
146,376,311,461,999,463,861,110,055,589-27661941=146,376,311,461,999,463,861,082,393,648,
146,376,311,461,999,463,861,082,393,648*4+1=585,505,245,847,997,855,444,329,574,593 |