Prime p₀= 2212120549828277443 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 18 48 10 2 42 4 26 124 26 4 42 2 10 48 18 (?)
a_n: 0 18 66 76 78 120 124 150 274 300 304 346 348 358 406 424
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: 424
Found by: Penguin
db: batch=81, k=16, 18 48 10 2 42 4 26 124

STPT(10)	2212119403043293481	0 2 78 80 108 110 138 140 216 218	-1146784983962
SPT(20)	2212119446230680851	0 62 68 128 146 156 170 176 182 186 212 216 222 228 242 252 270 330 336 398	-1103597596592
SPT(16)	2212119519472506647	0 6 24 132 146 164 170 176 210 216 222 240 254 362 380 386	-1030355770796
STPT(10)	2212119993015846671	0 2 6 8 18 20 30 32 36 38	-556812430772
SPT(16)	2212120033049910301	0 6 52 76 90 120 126 132 136 142 148 178 192 216 262 268	-516778367142
SPT(16)	2212120421257982579	0 38 44 80 92 138 144 152 210 218 224 270 282 318 324 362	-128570294864
SPT(16)	2212121557321941701	0 30 56 86 90 98 132 140 288 296 330 338 342 372 398 428	1007493664258
SPT(16)	2212121964440628413	0 54 60 90 110 174 218 246 248 276 320 384 404 434 440 494	1414612350970
SPT(16)	2212122105739089097	0 24 42 54 72 94 124 130 234 240 270 292 310 322 340 364	1555910811654
STPT(10)	2212122737007903659	0 2 18 20 30 32 42 44 60 62	2187179626216
STPT(10)	2212122815075502191	0 2 36 38 78 80 120 122 156 158	2265247224748