Prime p₀= 1273559070622706731 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 22 6 20 30 84 4 14 28 32 28 14 4 84 30 20 6 22 (?)
a_n: 0 22 28 48 78 162 166 180 208 240 268 282 286 370 400 420 426 448
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: 448
Found by: HenkM
db: batch=77, k=18, 22 6 20 30 84 4 14 28 32

SPT(16)	1273558370206286383	0 30 64 70 76 84 88 126 178 216 220 228 234 240 274 304	-700416420348
SPT(16)	1273558623306269701	0 16 18 48 90 172 256 286 312 342 426 508 550 580 582 598	-447316437030
STPT(10)	1273558629272763311	0 2 30 32 78 80 126 128 156 158	-441349943420
SPT(16)	1273558748638667171	0 18 20 50 62 108 132 140 150 158 182 228 240 270 272 290	-321984039560
SPT(16)	1273558799712045829	0 12 72 90 100 124 142 154 210 222 240 264 274 292 352 364	-270910660902
SPT(16)	1273559027158195067	0 12 36 42 50 134 146 176 180 210 222 306 314 320 344 356	-43464511664
TPT(14)	1273559535322524311	0 2 30 32 138 140 240 242 336 338 366 368 420 422	464699817580
SPT(16)	1273559557116909409	0 12 28 54 78 90 114 124 198 208 232 244 268 294 310 322	486494202678
STPT(10)	1273559675498835227	0 2 24 26 42 44 60 62 84 86	604876128496
TPT(14)	1273560038177176271	0 2 18 20 30 32 90 92 156 158 198 200 210 212	967554469540
TPT(14)	1273560118998301991	0 2 36 38 96 98 108 110 138 140 180 182 330 332	1048375595260