Prime p₀= 2704706314889575253 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 24 30 54 2 6 42 10 42 56 22 56 42 10 42 6 2 54 30 24 (?)
a_n: 0 24 54 108 110 116 158 168 210 266 288 344 386 396 438 444 446 500 530 554
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: 554
Found by: Roadranner
db: batch=82, k=20, 24 30 54 2 6 42 10 42 56 22

STPT(10)	2704704762096507197	0 2 30 32 42 44 54 56 84 86	-1552793068056
SPT(16)	2704704902879027693	0 14 50 74 116 150 176 210 260 294 320 354 396 420 456 470	-1412010547560
SPT(16)	2704705367201979073	0 76 148 154 196 214 220 246 268 294 300 318 360 366 438 514	-947687596180
STPT(10)	2704705774536289169	0 2 48 50 60 62 72 74 120 122	-540353286084
SPT(16)	2704705959496014041	0 18 38 42 78 122 140 206 222 288 306 350 386 390 410 428	-355393561212
SPT(16)	2704706213582929939	0 40 42 82 132 144 148 174 208 234 238 250 300 340 342 382	-101306645314
STPT(10)	2704706364705536249	0 2 42 44 60 62 78 80 120 122	49815960996
STPT(10)	2704706392522288337	0 2 30 32 42 44 54 56 84 86	77632713084
SPT(16)	2704706711297197877	0 30 32 36 50 56 86 140 156 210 240 246 260 264 266 296	396407622624
TPT(14)	2704706913095076269	0 2 18 20 48 50 90 92 162 164 210 212 228 230	598205501016
TPT(16)	2704707450801241799	0 2 42 44 90 92 102 104 138 140 210 212 240 242 270 272	1135911666546