def judge(a):     astr = str(a)     if len(astr) == 1:         print(a)         return 0     d = int(astr[0]) - int(astr[1])     for m in range(len(astr)-1):         if int(astr[m]) - int(astr[m+1]) != d:             return 1     print(a)     return 0 T = int(input()) xarr = [] res = [] for i in range(T):     xarr.append(int(input())) for i in range(T):     if xarr[i] > 9876543210:         num = str(xarr[i])         flag = 0         for j in num:             if int(j) > int(num[0]):                 flag = 1                 break             if int(j) < int(num[0]):                 break         if flag == 1:             if num[0] == 9:                 print('1'*(len(num)+1))             else:                 ans = str(int(num[0])+1)                 print(ans*len(num))         else:             print(num[0]*len(num))     else:         itr = xarr[i]         while judge(itr):             itr += 1