Prime p₀= 2807778419532314329 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 60 10 8 28 72 14 16 2 16 14 72 28 8 10 60 12 (?)
a_n: 0 12 72 82 90 118 190 204 220 222 238 252 324 352 360 370 430 442
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: 442
Found by: [SG]ATA-Rolf
db: batch=82, k=18, 12 60 10 8 28 72 14 16 2

SPT(16)	2807777390474924191	0 10 18 52 58 78 90 108 112 130 142 162 168 202 210 220	-1029057390138
SPT(16)	2807777467328520551	0 20 72 86 132 140 146 170 198 222 228 236 282 296 348 368	-952203793778
STPT(10)	2807777689621353341	0 2 6 8 48 50 90 92 96 98	-729910960988
SPT(20)	2807777816905511783	0 6 48 56 110 128 134 138 144 146 168 170 176 180 186 204 258 266 308 314	-602626802546
STPT(10)	2807777840075926967	0 2 30 32 42 44 54 56 84 86	-579456387362
SPT(16)	2807778254681517841	0 48 52 66 70 100 118 126 142 150 168 198 202 216 220 268	-164850796488
STPT(10)	2807778717345042557	0 2 30 32 42 44 54 56 84 86	297812728228
SPT(16)	2807778939407541061	0 36 46 76 78 88 96 130 156 190 198 208 210 240 250 286	519875226732
SPT(16)	2807779026955254509	0 2 24 78 104 134 174 188 234 248 288 318 344 398 420 422	607422940180
SPT(16)	2807779425936418237	0 10 16 42 76 120 276 280 366 370 526 570 604 630 636 646	1006404103908
SPT(16)	2807779575978056717	0 30 44 56 116 162 164 192 224 252 254 300 360 372 386 416	1156445742388