Prime p₀= 2171213888017703401 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 36 10 14 6 4 18 20 40 20 18 4 6 14 10 36 (?)
a_n: 0 36 46 60 66 70 88 108 148 168 186 190 196 210 220 256
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: 256
Found by: [SG-FC] hl
db: batch=81, k=16, 36 10 14 6 4 18 20 40

SPT(16)	2171211895450789397	0 6 122 164 174 176 182 240 266 324 330 332 342 384 500 506	-1992566914004
SPT(16)	2171212096593003199	0 40 42 52 82 108 178 238 294 354 424 450 480 490 492 532	-1791424700202
SPT(16)	2171212429539529273	0 6 24 78 94 106 118 160 234 276 288 300 316 370 388 394	-1458478174128
SPT(16)	2171212669823455157	0 6 14 30 42 110 174 176 180 182 246 314 326 342 350 356	-1218194248244
STPT(10)	2171212801703599439	0 2 42 44 60 62 78 80 120 122	-1086314103962
STPT(10)	2171213369665919387	0 2 54 56 72 74 90 92 144 146	-518351784014
STPT(10)	2171214325904640629	0 2 18 20 30 32 42 44 60 62	437886937228
STPT(10)	2171214377474143217	0 2 60 62 72 74 84 86 144 146	489456439816
TPT(14)	2171214684315236111	0 2 30 32 60 62 66 68 156 158 198 200 210 212	796297532710
SPT(13)	2171214725260486823	0 24 54 144 180 186 210 234 240 276 366 396 420	837242783422
SPT(16)	2171215397983185713	0 14 68 90 108 120 246 258 266 278 404 416 434 456 510 524	1509965482312