Prime p₀= 2250778640409891983 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 74 12 54 34 6 30 20 34 20 30 6 34 54 12 74 (?)
a_n: 0 74 86 140 174 180 210 230 264 284 314 320 354 408 420 494
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: JayPi
db: batch=81, k=16, 74 12 54 34 6 30 20 34

STPT(10)	2250776701901808527	0 2 42 44 72 74 102 104 144 146	-1938508083456
SPT(16)	2250777103833693949	0 34 42 82 100 160 174 192 250 268 282 342 360 400 408 442	-1536576198034
STPT(10)	2250777170353792007	0 2 12 14 72 74 132 134 144 146	-1470056099976
STPT(10)	2250778120786455107	0 2 12 14 42 44 72 74 84 86	-519623436876
STPT(10)	2250778154390609267	0 2 54 56 72 74 90 92 144 146	-486019282716
SPT(16)	2250778402604401927	0 12 24 34 60 66 102 112 144 154 190 196 222 232 244 256	-237805490056
STPT(12)	2250778804085137967	0 2 12 14 54 56 60 62 102 104 114 116	163675245984
SPT(16)	2250779200013155499	0 8 32 42 62 158 168 188 204 224 234 330 350 360 384 392	559603263516
STPT(10)	2250779909690760947	0 2 42 44 72 74 102 104 144 146	1269280868964
SPT(16)	2250779943946006103	0 30 44 54 156 204 210 276 308 374 380 428 530 540 554 584	1303536114120
SPT(16)	2250780388214577169	0 18 112 124 150 168 192 222 250 280 304 322 348 360 454 472	1747804685186