Prime p₀= 2253536338930785067 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 24 28 24 36 50 18 10 12 30 32 30 12 10 18 50 36 24 28 24 (?)
a_n: 0 24 52 76 112 162 180 190 202 232 264 294 306 316 334 384 420 444 472 496
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: 496
Found by: [SG-2W]Kurzer
db: batch=81, k=20, 24 28 24 36 50 18 10 12 30 32

SPT(16)	2253534475150263941	0 20 30 80 86 122 152 158 180 186 216 252 258 308 318 338	-1863780521126
SPT(16)	2253534836476517537	0 26 32 54 66 116 146 192 224 270 300 350 362 384 390 416	-1502454267530
SPT(16)	2253534897034627303	0 10 48 66 94 130 160 214 240 294 324 360 388 406 444 454	-1441896157764
STPT(10)	2253535248014914637	0 2 42 44 72 74 102 104 144 146	-1090915870430
STPT(10)	2253535575286112807	0 2 30 32 42 44 54 56 84 86	-763644672260
SPT(16)	2253535874397147077	0 6 12 20 84 90 96 110 156 170 176 182 246 254 260 266	-464533637990
TPT(14)	2253536518693516391	0 2 30 32 150 152 156 158 210 212 240 242 306 308	179762731324
SPT(16)	2253536608494461149	0 10 28 48 58 100 118 168 184 234 252 294 304 324 342 352	269563676082
SPT(16)	2253537145412482393	0 18 34 76 78 100 106 148 156 198 204 226 228 270 286 304	806481697326
SPT(18)	2253537197857722719	0 12 24 62 104 132 182 200 204 248 252 270 320 348 390 428 440 452	858926937652
SPT(16)	2253537267379652011	0 18 28 66 102 118 226 258 280 312 420 436 472 510 520 538	928448866944