Prime p₀= 2750713035212684221 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 30 30 12 6 24 18 18 24 6 12 30 30 (?)
a_n: 0 30 60 72 78 102 120 138 162 168 180 210 240
All 13 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 240
Found by: [SG-FC] hl
db: batch=82, k=13, 30 30 12 6 24 18

SPT(16)	2750711124985357477	0 30 40 52 84 102 154 180 184 210 262 280 312 324 334 364	-1910227326744
SPT(16)	2750711336991925589	0 2 32 90 98 104 140 164 168 192 228 234 242 300 330 332	-1698220758632
SPT(16)	2750711450752766881	0 42 48 90 106 108 118 132 136 150 160 162 178 220 226 268	-1584459917340
STPT(10)	2750711479391856389	0 2 12 14 90 92 168 170 180 182	-1555820827832
SPT(16)	2750712679836077783	0 24 26 38 110 134 156 198 206 248 270 294 366 378 380 404	-355376606438
SPT(16)	2750713000539879203	0 20 44 110 134 138 140 164 180 204 206 210 234 300 324 344	-34672805018
STPT(10)	2750713660065766667	0 2 24 26 42 44 60 62 84 86	624853082446
SPT(16)	2750713835624163361	0 36 52 78 82 112 120 142 276 298 306 336 340 366 382 418	800411479140
SPT(16)	2750713849138792027	0 10 64 112 124 166 204 210 316 322 360 402 414 462 516 526	813926107806
SPT(13)	2750713930031413609	0 18 42 60 72 102 120 138 168 180 198 222 240	894818729388
SPT(16)	2750714059390949033	0 30 68 74 84 104 116 128 186 198 210 230 240 246 284 314	1024178264812