Prime p₀= 1991404632161358257 starts a Symmetric tuple of 10 consecutive primes, which form 5 twin primes (STPT).
d_n: 0 2 28 2 10 2 10 2 28 2 (?)
a_n: 0 2 30 32 42 44 54 56 84 86
All 10 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 86
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=10, 2 28 2 10 2

TPT(14)	1991401266777348869	0 2 18 20 48 50 78 80 252 254 282 284 288 290	-3365384009388
SPT(16)	1991401308045178541	0 26 50 68 108 140 158 186 200 228 246 278 318 336 360 386	-3324116179716
SPT(16)	1991402063380008619	0 28 60 112 118 132 142 174 208 240 250 264 270 322 354 382	-2568781349638
SPT(16)	1991402991370468373	0 14 20 48 60 98 126 144 260 278 306 344 356 384 390 404	-1640790889884
SPT(16)	1991403377754545743	0 6 10 28 30 46 70 114 130 174 198 214 216 234 238 244	-1254406812514
SPT(16)	1991404233442868249	0 20 24 48 54 104 108 152 180 224 228 278 284 308 312 332	-398718490008
SPT(16)	1991404775116006357	0 42 70 76 84 100 120 142 174 196 216 232 240 246 274 316	142954648100
STPT(10)	1991404886712321107	0 2 24 26 42 44 60 62 84 86	254550962850
SPT(16)	1991405375992630253	0 74 104 110 116 134 188 194 210 216 270 288 294 300 330 404	743831271996
SPT(16)	1991406434756816237	0 14 24 30 54 90 180 206 300 326 416 452 476 482 492 506	1802595457980
STPT(10)	1991406496930599011	0 2 6 8 48 50 90 92 96 98	1864769240754