Prime p₀= 1399749993529649611 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 70 2 78 28 14 28 18 20 24 4 24 20 18 28 14 28 78 2 70 (?)
a_n: 0 70 72 150 178 192 220 238 258 282 286 310 330 348 376 390 418 496 498 568
All 20 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 568
Found by: eclipse99
db: batch=78, k=20, 70 2 78 28 14 28 18 20 24 4

SPT(16)	1399748365982617913	0 48 54 98 108 150 164 168 260 264 278 320 330 374 380 428	-1627547031698
SPT(16)	1399748498156474021	0 30 56 90 92 96 98 152 156 210 212 216 218 252 278 308	-1495373175590
SPT(16)	1399748637419088581	0 8 42 56 78 86 102 108 140 146 162 170 192 206 240 248	-1356110561030
STPT(10)	1399749199258329077	0 2 54 56 72 74 90 92 144 146	-794271320534
TPT(14)	1399749472003629431	0 2 150 152 156 158 198 200 240 242 306 308 486 488	-521526020180
SPT(16)	1399749645888144389	0 24 54 68 80 90 98 104 144 150 158 168 180 194 224 248	-347641505222
SPT(16)	1399750240562776273	0 6 10 124 136 138 168 210 244 286 316 318 330 444 448 454	247033126662
STPT(10)	1399750300645336439	0 2 48 50 60 62 72 74 120 122	307115686828
STPT(10)	1399750355235014987	0 2 12 14 42 44 72 74 84 86	361705365376
SPT(16)	1399750385642033963	0 38 68 84 150 174 200 224 240 264 290 314 380 396 426 464	392112384352
SPT(16)	1399750653947726033	0 44 108 128 150 170 200 204 254 258 288 308 330 350 414 458	660418076422