for i in range(int(input())):
n,x,y = [int(i) for i in input().split()]
listical = []
if y%2 == 0:
for i in range(y//2 - 1):
listical.append(-1)
listical.append(1)
listical.append(-1)
else:
for i in range(y//2):
listical.append(1)
listical.append(-1)
for i in range(x+1-y):
listical.append(1)
for i in range((n-x)//2):
listical.append(-1)
listical.append(1)
if n > len(listical):
listical.append(-1)
print(' '.join(str(i) for i in listical))
1044. Longest Duplicate Substring | 1032. Stream of Characters |
987. Vertical Order Traversal of a Binary Tree | 952. Largest Component Size by Common Factor |
212. Word Search II | 174. Dungeon Game |
127. Word Ladder | 123. Best Time to Buy and Sell Stock III |
85. Maximal Rectangle | 84. Largest Rectangle in Histogram |
60. Permutation Sequence | 42. Trapping Rain Water |
32. Longest Valid Parentheses | Cutting a material |
Bubble Sort | Number of triangles |
AND path in a binary tree | Factorial equations |
Removal of vertices | Happy segments |
Cyclic shifts | Zoos |
Build a graph | Almost correct bracket sequence |
Count of integers | Differences of the permutations |
Doctor's Secret | Back to School |
I am Easy | Teddy and Tweety |