Prime p₀= 2898518065439256787 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 22 8 6 30 6 4 18 26 52 2 52 26 18 4 6 30 6 8 22 (?)
a_n: 0 22 30 36 66 72 76 94 120 172 174 226 252 270 274 280 310 316 324 346
All 20 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: Landjunge
db: batch=82, k=20, 22 8 6 30 6 4 18 26 52 2

SPT(16)	2898516434184919831	0 6 10 66 70 90 100 106 126 132 142 162 166 222 226 232	-1631254336956
TPT(14)	2898516519789700739	0 2 72 74 138 140 150 152 180 182 198 200 222 224	-1545649556048
SPT(16)	2898516576605737069	0 10 24 28 34 54 72 78 154 160 178 198 204 208 222 232	-1488833519718
SPT(16)	2898516590667967559	0 2 14 44 54 72 80 134 210 264 272 290 300 330 342 344	-1474771289228
STPT(10)	2898516776350209071	0 2 30 32 78 80 126 128 156 158	-1289089047716
STPT(10)	2898516864556946387	0 2 42 44 72 74 102 104 144 146	-1200882310400
SPT(16)	2898518351746821337	0 6 10 42 70 172 190 196 210 216 234 336 364 396 400 406	286307564550
SPT(16)	2898518444685460711	0 60 66 88 102 112 178 192 256 270 336 346 360 382 388 448	379246203924
STPT(10)	2898518475509815421	0 2 6 8 48 50 90 92 96 98	410070558634
STPT(10)	2898518477808084671	0 2 78 80 138 140 198 200 276 278	412368827884
SPT(16)	2898518631016364077	0 22 30 40 42 60 100 106 120 126 166 184 186 196 204 226	565577107290