Prime p₀= 113986820873770687 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 10 6 8 6 4 2 16 72 2 64 2 72 16 2 4 6 8 6 10 (?)
a_n: 0 10 16 24 30 34 36 52 124 126 190 192 264 280 282 286 292 300 306 316
All 20 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 316
derived by truncating larger tuple
Found by: emoga
db: batch=67, k=20, 10 6 8 6 4 2 16 72 2 64

SPT(14)	113986769263481173	0 118 148 178 196 204 208 246 250 258 276 306 336 454	-51610289514
STPT(10)	113986774170941207	0 2 30 32 42 44 54 56 84 86	-46702829480
TPT(12)	113986807347058571	0 2 6 8 90 92 126 128 156 158 186 188	-13526712116
SPT(14)	113986810121082259	0 12 18 28 58 78 88 264 274 294 324 334 340 352	-10752688428
TPT(12)	113986819427217851	0 2 6 8 36 38 90 92 186 188 288 290	-1446552836
SPT(22)	113986820873770681	0 6 16 22 30 36 40 42 58 130 132 196 198 270 286 288 292 298 306 312 322 328	-6
STPT(10)	113986821554346149	0 2 12 14 90 92 168 170 180 182	680575462
TPT(12)	113986833266302259	0 2 132 134 168 170 180 182 222 224 228 230	12392531572
SPT(14)	113986835228200937	0 2 6 44 120 132 182 204 254 266 342 380 384 386	14354430250
SPT(14)	113986860969448861	0 10 36 58 66 70 76 192 198 202 210 232 258 268	40095678174
SPT(14)	113986898355239827	0 16 42 82 112 126 142 234 250 264 294 334 360 376	77481469140
TPT(12)	113986898686560281	0 2 30 32 126 128 156 158 228 230 270 272	77812789594