Prime p₀= 2121399124189298483 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 6 12 30 6 56 24 70 86 70 24 56 6 30 12 6 (?)
a_n: 0 6 18 48 54 110 134 204 290 360 384 440 446 476 488 494
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: 494
Found by: Dirk Broer
db: batch=80, k=16, 6 12 30 6 56 24 70 86

STPT(10)	2121396960401692997	0 2 90 92 102 104 114 116 204 206	-2163787605486
STPT(10)	2121397606936892951	0 2 6 8 18 20 30 32 36 38	-1517252405532
SPT(16)	2121397953444776689	0 4 18 28 34 48 118 144 154 180 250 264 270 280 294 298	-1170744521794
SPT(16)	2121397981753179751	0 10 40 48 58 70 96 100 108 112 138 150 160 168 198 208	-1142436118732
SPT(16)	2121398549892205811	0 6 42 90 120 152 170 210 308 348 366 398 428 476 512 518	-574297092672
SPT(13)	2121398663786720753	0 18 24 54 78 108 144 180 210 234 264 270 288	-460402577730
SPT(16)	2121399218414635979	0 24 54 92 122 138 158 164 198 204 224 240 270 308 338 362	94225337496
STPT(10)	2121399235703466539	0 2 18 20 30 32 42 44 60 62	111514168056
SPT(16)	2121399321871374709	0 10 108 154 184 198 202 220 222 240 244 258 288 334 432 442	197682076226
SPT(16)	2121399818177431247	0 2 14 32 36 54 74 84 212 222 242 260 264 282 294 296	693988132764
STPT(10)	2121400162394932421	0 2 30 32 60 62 90 92 120 122	1038205633938