Prime p₀= 724885829443302421 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 16 42 12 20 130 48 2 40 26 40 2 48 130 20 12 42 16 (?)
a_n: 0 16 58 70 90 220 268 270 310 336 376 378 426 556 576 588 630 646
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: 646
Found by: EarlyBird@Zircons
db: batch=73, k=18, 16 42 12 20 130 48 2 40 26

SPT(16)	724884623193938297	0 26 44 62 72 102 114 132 164 182 194 224 234 252 270 296	-1206249364124
SPT(16)	724884644311629701	0 8 20 42 48 110 132 158 162 188 210 272 278 300 312 320	-1185131672720
TPT(14)	724884788512480787	0 2 42 44 90 92 102 104 120 122 144 146 174 176	-1040930821634
STPT(10)	724885654189425899	0 2 42 44 60 62 78 80 120 122	-175253876522
STPT(10)	724885684612465457	0 2 42 44 72 74 102 104 144 146	-144830836964
SPT(16)	724885793480046287	0 12 20 74 104 116 176 204 242 270 330 342 372 426 434 446	-35963256134
SPT(16)	724885921672760381	0 6 56 86 102 132 150 158 240 248 266 296 312 342 392 398	92229457960
STPT(10)	724886036991786737	0 2 12 14 42 44 72 74 84 86	207548484316
SPT(16)	724886109657965467	0 36 72 106 130 132 144 154 192 202 214 216 240 274 310 346	280214663046
SPT(16)	724886338495531963	0 10 24 60 70 76 90 136 144 190 204 210 220 256 270 280	509052229542
SPT(16)	724886604005046323	0 14 24 38 60 78 164 168 176 180 266 284 306 320 330 344	774561743902