QT3IYMHKR7WMGBFQZERMD2BFV44UM3ARU7ZNMV4BKIS5FZO6SSTAC
XWCHE4XYVQKVUOM6EVX76JSPS6STQZFLIB4ATWALQNU6PDLWK5DQC
WXM73CW55QMPDEUVONZY3FFHRWJFCU2EBRLL5YGNNRJUSTMZMEYAC
OBBM6KG6S2PCXM7AWP7HO7ZII4RZ6S4Y7KK5CFYKJ2T2LPL6OO6QC
// big := genBig(d)
big := genBig(d)
// log.Println(solveFirst(big))
log.Println(solveFirst(big))
distance := r[p[0]][p[1]] + dist[p[0]][p[1]]
distance := r[p[0]][p[1]] + dist[diffrow][diffcol]