- n=300-500k, 70k left (1167, 1271, 1589, 2492, 4239, 4329, 5672, 8744, 8958, 9647, 9753, 11355, 12668, 14309, 14682, 14786, 15212, 17277, 18761, 18899, 19028, 19163, 19982, 20088, 20139, 21413, 22308, 23268, 24591, 25653, 30156, 32702, 35456, 37046, 38426, 43938, 46538, 47648, 47699, 49236, 51252, 53478, 54174, 54273, 54324, 55439, 56552, 57345, 58778, 59573, 60633, 61161, 61214, 61691, 64871, 65136, 66728, 67523, 68051, 69723, 69908, 70332, 71549, 72026, 75789, 79236, 79448, 81038, 83315, 84483)
- runtime 28min-1h35min (AVX@3.8Ghz)

12827*52^53709-1 found by Ralfy
69111*52^56234-1 found by rebirther
82119*52^58295-1 found by b3rl1go
48759*52^58956-1 found by b3rl1go
33071*52^59206-1 found by pschoefer
56603*52^59512-1 found by rebirther
12423*52^59835-1 found by Cyberacid
16308*52^60156-1 found by Dirk Broer
39717*52^60574-1 found by b3rl1go
16007*52^61277-1 found by b3rl1go
16748*52^61624-1 found by Joe
12719*52^66440-1 found by Jaska*
54693*52^66576-1 found by b3rl1go
9624*52^68479-1 found by b3rl1go
47063*52^69168-1 found by rebirther
27767*52^71877-1 found by b3rl1go
62463*52^73310-1 found by rebirther
72344*52^74348-1 found by rebirther
46673*52^80919-1 found by Joe
47913*52^81807-1 found by gaballus
58407*52^81857-1 found by rebirther
71763*52^84127-1 found by Extra Ball
12401*52^84322-1 found by Cyberacid
55119*52^90896-1 found by Mankka*
39168*52^91095-1 found by Mankka*
70703*52^93799-1 found by Mankka*
11394*52^94360-1 found by Mankka*
8693*52^95515-1 found by rebirther
3870*52^99193-1 found by Jaska*
22146*52^101158-1 found by Ralfy
56846*52^108782-1 found by grcpool.5
62486*52^120982-1 found by owensse
65984*52^128276-1 found by Dongha Hwang
10173*52^128910-1 found by Aeion88
56846*52^134381-1 found by 683c92ae88556c10b7b2468a9dec2b31
76268*52^134535-1 found by Moor
82626*52^138106-1 found by Cruncher Pete
41564*52^162148-1 found by ShmyaCluster
56846*52^175597-1 found by Gipe
41564*52^181661-1 found by ShmyaCluster
77328*52^182707-1 found by Ralfy
53213*52^189311-1 found by Kencf0618
19556*52^195454-1 found by deceb6800bf46b75cfec111b29d82ef6
46743*52^214059-1 found by Neriyah
13196*52^216686-1 found by entity
30953*52^245539-1 found by marmot
81303*52^250371-1 found by Science United
55227*52^253665-1 found by Lars_Seidel
47169*52^269328-1 found by Terminator
54939*52^283616-1 found by Cluster Physik
46743*52^286087-1 found by Science United
8163*52^286255-1 found by Science United
19026*52^315162-1 found by Science United
17754*52^360468-1 found by Majo2096
83688*52^390399-1 found by Science United
43406*52^423786-1 found by Science United (TOP5000)
41712*52^438229-1 found by entity (TOP5000)
51729*52^452017-1 found by Moor (TOP5000)
85806*52^457298-1 found by [AF>Kirass>MPF] Nafrayou (TOP5000)
34449*52^461672-1 found by Science United (TOP5000)
17423*52^475727-1 found by Ravenghost4 (TOP5000)
46533*52^469992-1 found by nekomi_ch (TOP5000)