Prime p₀= 2171212669823455157 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 6 8 16 12 68 64 2 4 2 64 68 12 16 8 6 (?)
a_n: 0 6 14 30 42 110 174 176 180 182 246 314 326 342 350 356
All 16 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 356
Found by: [SG-FC] hl
db: batch=81, k=16, 6 8 16 12 68 64 2 4

SPT(16)	2171211466111442929	0 18 72 84 172 198 220 250 282 312 334 360 448 460 514 532	-1203712012228
STPT(10)	2171211646188975329	0 2 18 20 60 62 102 104 120 122	-1023634479828
SPT(16)	2171211790733044441	0 6 18 48 88 100 186 226 270 310 396 408 448 478 490 496	-879090410716
SPT(16)	2171211895450789397	0 6 122 164 174 176 182 240 266 324 330 332 342 384 500 506	-774372665760
SPT(16)	2171212096593003199	0 40 42 52 82 108 178 238 294 354 424 450 480 490 492 532	-573230451958
SPT(16)	2171212429539529273	0 6 24 78 94 106 118 160 234 276 288 300 316 370 388 394	-240283925884
STPT(10)	2171212801703599439	0 2 42 44 60 62 78 80 120 122	131880144282
STPT(10)	2171213369665919387	0 2 54 56 72 74 90 92 144 146	699842464230
SPT(16)	2171213888017703401	0 36 46 60 66 70 88 108 148 168 186 190 196 210 220 256	1218194248244
STPT(10)	2171214325904640629	0 2 18 20 30 32 42 44 60 62	1656081185472
STPT(10)	2171214377474143217	0 2 60 62 72 74 84 86 144 146	1707650688060