Prime p₀= 2181250574079307453 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 48 12 6 22 20 10 18 74 18 10 20 22 6 12 48 (?)
a_n: 0 48 60 66 88 108 118 136 210 228 238 258 280 286 298 346
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: 346
Found by: JayPi
db: batch=81, k=16, 48 12 6 22 20 10 18 74

SPT(16)	2181249363512615983	0 30 34 60 88 100 114 118 126 130 144 156 184 210 214 244	-1210566691470
STPT(10)	2181249798325740809	0 2 18 20 30 32 42 44 60 62	-775753566644
SPT(16)	2181250136170733879	0 14 80 104 122 132 180 182 240 242 290 300 318 342 408 422	-437908573574
SPT(16)	2181250258862351251	0 40 78 120 138 150 196 208 210 222 268 280 298 340 378 418	-315216956202
SPT(16)	2181250314477484849	0 18 22 40 58 120 162 180 190 208 250 312 330 348 352 370	-259601822604
TPT(14)	2181250361841165761	0 2 108 110 156 158 180 182 186 188 276 278 390 392	-212238141692
STPT(10)	2181250800990920609	0 2 18 20 30 32 42 44 60 62	226911613156
STPT(10)	2181250928890466099	0 2 42 44 60 62 78 80 120 122	354811158646
STPT(10)	2181251258269777787	0 2 30 32 60 62 90 92 120 122	684190470334
STPT(10)	2181251393384769491	0 2 30 32 60 62 90 92 120 122	819305462038
SPT(16)	2181251615268144689	0 8 110 134 138 182 204 240 242 278 300 344 348 372 474 482	1041188837236