Prime p₀= 2927687292415503403 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 30 4 2 22 26 16 20 6 22 6 20 16 26 22 2 4 30 (?)
a_n: 0 30 34 36 58 84 100 120 126 148 154 174 190 216 238 240 244 274
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 274
Found by: [SG-FC] hl
db: batch=82, k=18, 30 4 2 22 26 16 20 6 22

STPT(10)	2927686031807825339	0 2 18 20 30 32 42 44 60 62	-1260607678064
SPT(16)	2927686093293934529	0 8 32 50 72 98 120 128 144 152 174 200 222 240 264 272	-1199121568874
SPT(16)	2927686626778518097	0 12 52 70 72 96 100 106 126 132 136 160 162 180 220 232	-665636985306
SPT(16)	2927686798572557227	0 10 22 30 34 66 72 90 136 154 160 192 196 204 216 226	-493842946176
SPT(20)	2927686993481962379	0 24 44 120 122 128 162 210 224 248 264 288 302 350 384 390 392 468 488 512	-298933541024
STPT(10)	2927687177959350347	0 2 30 32 72 74 114 116 144 146	-114456153056
STPT(10)	2927687914836464579	0 2 48 50 60 62 72 74 120 122	622420961176
STPT(10)	2927688257236727987	0 2 30 32 60 62 90 92 120 122	964821224584
TPT(14)	2927689213415555861	0 2 18 20 60 62 126 128 150 152 156 158 306 308	1921000052458
SPT(16)	2927689486985899787	0 20 26 50 56 114 126 156 284 314 326 384 390 414 420 440	2194570396384
SPT(16)	2927690075882168963	0 18 66 114 120 158 164 170 204 210 216 254 260 308 356 374	2783466665560