Prime p₀= 1521585129601723721 starts a Symmetric tuple of 10 consecutive primes, which form 5 twin primes (STPT).
d_n: 0 2 76 2 28 2 28 2 76 2 (?)
a_n: 0 2 78 80 108 110 138 140 216 218
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: 218
Found by: biodoc
db: batch=78, k=10, 2 76 2 28 2

SPT(16)	1521583913579519899	0 28 72 90 142 148 154 198 214 258 264 270 322 340 384 412	-1216022203822
SPT(16)	1521583922429884661	0 78 80 122 140 152 182 192 278 288 318 330 348 390 392 470	-1207171839060
STPT(10)	1521584501168016029	0 2 42 44 90 92 138 140 180 182	-628433707692
TPT(14)	1521584834661052169	0 2 108 110 180 182 240 242 318 320 390 392 450 452	-294940671552
STPT(10)	1521584970919452389	0 2 18 20 30 32 42 44 60 62	-158682271332
SPT(16)	1521584982029334571	0 42 76 90 100 142 156 226 276 346 360 402 412 426 460 502	-147572389150
SPT(16)	1521585174604771571	0 8 36 72 78 80 128 206 252 330 378 380 386 422 450 458	45003047850
TPT(14)	1521585213586496801	0 2 78 80 96 98 138 140 150 152 156 158 240 242	83984773080
STPT(10)	1521585957071576489	0 2 18 20 30 32 42 44 60 62	827469852768
SPT(16)	1521586082777340163	0 6 90 96 100 126 136 156 160 180 190 216 220 226 310 316	953175616442
STPT(10)	1521586731459495497	0 2 24 26 42 44 60 62 84 86	1601857771776