Prime p₀= 2205280207964459347 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 10 12 18 14 28 18 24 26 4 68 4 26 24 18 28 14 18 12 10 (?)
a_n: 0 10 22 40 54 82 100 124 150 154 222 226 252 276 294 322 336 354 366 376
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: 376
Found by: Penguin
db: batch=81, k=20, 10 12 18 14 28 18 24 26 4 68

SPT(16)	2205278684497446169	0 72 82 100 112 132 138 162 280 304 310 330 342 360 370 442	-1523467013178
SPT(16)	2205279352203431599	0 84 90 118 124 130 160 184 198 222 252 258 264 292 298 382	-855761027748
SPT(13)	2205279374310274579	0 18 30 42 102 132 150 168 198 258 270 282 300	-833654184768
SPT(16)	2205279412162641613	0 10 16 24 40 60 64 94 156 186 190 210 226 234 240 250	-795801817734
SPT(16)	2205279833787739949	0 42 48 50 140 162 164 174 248 258 260 282 372 374 380 422	-374176719398
SPT(16)	2205280094471875243	0 18 28 30 60 84 186 208 216 238 340 364 394 396 406 424	-113492584104
SPT(16)	2205280506827491657	0 12 16 46 82 84 114 130 156 172 202 204 240 270 274 286	298863032310
SPT(16)	2205280529520089023	0 16 30 60 66 100 120 144 160 184 204 238 244 274 288 304	321555629676
SPT(18)	2205280897165766237	0 2 20 30 60 104 114 122 140 156 174 182 192 236 266 276 294 296	689201306890
STPT(10)	2205281409030197549	0 2 42 44 60 62 78 80 120 122	1201065738202
STPT(10)	2205281463923413661	0 2 30 32 78 80 126 128 156 158	1255958954314