Prime p₀= 1103696841396775781 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 38 52 26 12 36 30 6 64 6 30 36 12 26 52 38 12 (?)
a_n: 0 12 50 102 128 140 176 206 212 276 282 312 348 360 386 438 476 488
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: 488
Found by: stoneageman
db: batch=76, k=18, 12 38 52 26 12 36 30 6 64

SPT(16)	1103695775055319861	0 18 48 60 76 130 150 156 172 178 198 252 268 280 310 328	-1066341455920
SPT(16)	1103695909139921059	0 18 34 48 88 124 180 190 228 238 294 330 370 384 400 418	-932256854722
TPT(14)	1103696292105347789	0 2 60 62 78 80 90 92 102 104 162 164 168 170	-549291427992
SPT(16)	1103696367144639757	0 30 42 130 150 172 186 196 240 250 264 286 306 394 406 436	-474252136024
SPT(16)	1103696631725805167	0 12 14 74 92 102 114 116 180 182 194 204 222 282 284 296	-209670970614
TPT(14)	1103696810706318611	0 2 66 68 180 182 228 230 276 278 318 320 336 338	-30690457170
SPT(16)	1103697000711041903	0 6 20 24 48 50 116 140 144 168 234 236 260 264 278 284	159314266122
SPT(16)	1103697075503708759	0 14 42 62 68 80 98 110 192 204 222 234 240 260 288 302	234106932978
STPT(10)	1103697290169270521	0 2 6 8 48 50 90 92 96 98	448772494740
TPT(14)	1103697384704804597	0 2 12 14 54 56 162 164 180 182 204 206 234 236	543308028816
STPT(10)	1103697635021431139	0 2 18 20 30 32 42 44 60 62	793624655358