N,D,K = map(int,raw_input().split())
s = []
for i in xrange(1,N+1):
    if sum(s)+i == D or sum(s)+i < D and D-(sum(s)+i) > i:
        s.append(i)
while len(s) > K:
    for i in range(1,len(s))[::-1]:
        if s[i]+s[i-1] <= N and s[i]+s[i-1] not in s:
            s = s[:i-1]+[s[i-1]+s[i]]+s[i+1:]
            s = sorted(s)
            break
    else:
        print s
        print -1
        break
else:
    print " ".join(map(str,s))