Prime p₀= 2888390877443117303 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 26 28 24 48 12 2 4 14 6 16 6 14 4 2 12 48 24 28 26 (?)
a_n: 0 26 54 78 126 138 140 144 158 164 180 186 200 204 206 218 266 290 318 344
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: 344
Found by: JayPi
db: batch=82, k=20, 26 28 24 48 12 2 4 14 6 16

STPT(10)	2888389013826956609	0 2 12 14 30 32 48 50 60 62	-1863616160694
STPT(10)	2888390092611397037	0 2 42 44 72 74 102 104 144 146	-784831720266
SPT(16)	2888390646261148549	0 10 28 58 70 72 108 112 120 124 160 162 174 204 222 232	-231181968754
TPT(14)	2888390686428158927	0 2 12 14 30 32 54 56 114 116 120 122 162 164	-191014958376
SPT(16)	2888390715846403961	0 26 72 78 102 120 168 182 216 230 278 296 320 326 372 398	-161596713342
TPT(14)	2888390740843994831	0 2 18 20 90 92 96 98 126 128 168 170 198 200	-136599122472
STPT(10)	2888390968231368617	0 2 54 56 132 134 210 212 264 266	90788251314
SPT(16)	2888391670566264361	0 28 126 136 156 246 256 316 360 420 430 520 540 550 648 676	793123147058
SPT(16)	2888391729879033461	0 18 102 128 140 152 168 182 198 212 228 240 252 278 362 380	852435916158
STPT(10)	2888391790888639961	0 2 30 32 78 80 126 128 156 158	913445522658
TPT(14)	2888392145289958007	0 2 24 26 30 32 114 116 120 122 150 152 162 164	1267846840704