N, D, K = map(int, input().split())
item = [i for i in range(1, N+1)]
ritem = [i for i in range(N, 0, -1)]

if N < K or sum(item[:K]) > D or sum(ritem[:K]) < D:
    print(-1)
    exit()

ans = []

for i in range(len(item)):
    low = sum(item[i+1:i+K-len(ans)])
    high = sum(ritem[:K-len(ans)-1])

    if low <= D - sum(ans) - item[i] <= high:
        ans.append(item[i])
    
    if sum(ans) == D:
        break
        
for ans_i in ans[:-1]:
    print(ans_i, end=' ')
print(ans[-1])