Prime p₀= 3216213415689270421 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 42 10 26 12 28 12 90 8 90 12 28 12 26 10 42 (?)
a_n: 0 42 52 78 90 118 130 220 228 318 330 358 370 396 406 448
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: 448
Found by: Ben
db: batch=83, k=16, 42 10 26 12 28 12 90 8

STPT(12)	3216212609897110559	0 2 30 32 72 74 108 110 150 152 180 182	-805792159862
STPT(10)	3216212627820178001	0 2 36 38 78 80 120 122 156 158	-787869092420
STPT(10)	3216212654965637111	0 2 36 38 78 80 120 122 156 158	-760723633310
TPT(14)	3216212818940134229	0 2 12 14 30 32 60 62 72 74 102 104 192 194	-596749136192
SPT(16)	3216212880128370277	0 16 22 46 70 82 100 114 262 276 294 306 330 354 360 376	-535560900144
STPT(10)	3216213291155027027	0 2 12 14 72 74 132 134 144 146	-124534243394
SPT(16)	3216214094387188793	0 38 84 96 170 204 216 264 290 338 350 384 458 470 516 554	678697918372
SPT(16)	3216214358877884393	0 18 38 50 80 86 96 150 254 308 318 324 354 366 386 404	943188613972
SPT(16)	3216214474047564841	0 60 78 108 126 130 132 148 150 166 168 172 190 220 238 298	1058358294420
SPT(16)	3216214753877371289	0 38 68 80 92 98 110 162 170 222 234 240 252 264 294 332	1338188100868
SPT(16)	3216215121963580757	0 30 74 80 126 132 144 182 324 362 374 380 426 432 476 506	1706274310336