Prime p₀= 1997921523274904489 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 30 8 6 36 28 30 2 208 2 30 28 36 6 8 30 (?)
a_n: 0 30 38 44 80 108 138 140 348 350 380 408 444 450 458 488
All 16 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 488
Found by: Dingo
db: batch=80, k=16, 30 8 6 36 28 30 2 208

STPT(10)	1997920550080771871	0 2 36 38 78 80 120 122 156 158	-973194132618
STPT(10)	1997920570607020859	0 2 48 50 60 62 72 74 120 122	-952667883630
SPT(16)	1997920686400578193	0 60 78 108 114 126 148 150 154 156 178 190 196 226 244 304	-836874326296
STPT(10)	1997920710862963487	0 2 12 14 42 44 72 74 84 86	-812411941002
SPT(16)	1997920846663204033	0 28 46 64 88 90 148 154 180 186 244 246 270 288 306 334	-676611700456
STPT(10)	1997921040151885799	0 2 18 20 30 32 42 44 60 62	-483123018690
SPT(16)	1997921588381158051	0 28 72 96 100 108 120 258 310 448 460 468 472 496 540 568	65106253562
SPT(16)	1997922462414369613	0 30 40 90 96 126 174 196 264 286 334 364 370 420 430 460	939139465124
STPT(10)	1997922636601591277	0 2 30 32 42 44 54 56 84 86	1113326686788
SPT(16)	1997922946874733379	0 22 72 100 114 120 154 210 244 300 334 340 354 382 432 454	1423599828890
STPT(10)	1997923097099638127	0 2 12 14 42 44 72 74 84 86	1573824733638