20250405

# n=int(input())
# a = list(map(int, input().split()))
# for i in range(n) :
#     for j in range(i,n) :
#         print(a[j],end=' ')
#     for j in range(i) :
#         print(a[j],end=' ')
#     print()
#
# a,b=map(int,input().split())
# c=list(map(int,input().split()))
# c.sort()
# for i in range(a) :
#     print(c[i],end=' ')
#     if (i+1)%b==0 :
#         print()