- n=50-100k, 47k left (144, 346, 1174, 2114, 2152, 2328, 3488, 3940, 3948, 4552, 4634, 4900, 5264, 5274, 5326, 5776, 6158, 6226, 6556, 6564, 6862, 6894, 7266, 7562, 7596, 7700, 8674, 9294, 9364, 9672, 9708, 10132, 10162, 10404, 10544, 10692, 10816, 11080, 11918, 12072, 12122, 12516, 13088, 13208, 13218, 13706, 14368)
- runtime 2min37s-12min (AVX@3.8Ghz)

3272*693^50472-1 found by Ralfy
3722*693^54052-1 found by StyM
11806*693^55141-1 found by PDW
10622*693^55822-1 found by owensse
1024*693^56043-1 found by StyM
9368*693^63446-1 found by whizbang
8212*693^67930-1 found by whizbang
1342*693^70479-1 found by -=[SG]=-.ice
4220*693^80535-1 found by whizbang
3884*693^89024-1 found by Hydrosaure
1244*693^92821-1 found by Marko