Prime p₀= 2709183956603771401 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 16 60 6 84 50 42 24 28 8 28 24 42 50 84 6 60 16 (?)
a_n: 0 16 76 82 166 216 258 282 310 318 346 370 412 462 546 552 612 628
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 628
Found by: philip-in-hong kong
db: batch=82, k=18, 16 60 6 84 50 42 24 28 8

STPT(10)	2709183243543781559	0 2 42 44 60 62 78 80 120 122	-713059989842
STPT(10)	2709183338615258969	0 2 48 50 60 62 72 74 120 122	-617988512432
STPT(10)	2709183489892329347	0 2 60 62 72 74 84 86 144 146	-466711442054
SPT(16)	2709183677122269833	0 38 68 96 120 126 140 180 206 246 260 266 290 318 348 386	-279481501568
STPT(10)	2709183757483663541	0 2 6 8 48 50 90 92 96 98	-199120107860
STPT(10)	2709183880190544509	0 2 18 20 30 32 42 44 60 62	-76413226892
SPT(16)	2709184013679152447	0 14 36 42 72 92 102 116 180 194 204 224 254 260 282 296	57075381046
SPT(16)	2709184221459774089	0 14 20 38 44 48 54 110 168 224 230 234 240 258 264 278	264856002688
STPT(10)	2709184246958009801	0 2 30 32 78 80 126 128 156 158	290354238400
SPT(16)	2709184577565475039	0 10 18 28 30 42 60 84 88 112 130 142 144 154 162 172	620961703638
SPT(16)	2709184856400845287	0 40 82 90 114 150 192 244 282 334 376 412 436 444 486 526	899797073886