Prime p₀= 1921371799847506621 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 6 54 6 22 2 46 6 44 6 46 2 22 6 54 6 (?)
a_n: 0 6 60 66 88 90 136 142 186 192 238 240 262 268 322 328
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: 328
Found by: Daniel
db: batch=80, k=16, 6 54 6 22 2 46 6 44

SPT(16)	1921370516499644251	0 16 28 30 42 52 96 100 138 142 186 196 208 210 222 238	-1283347862370
SPT(16)	1921370566819677047	0 12 44 120 180 182 204 210 224 230 252 254 314 390 422 434	-1233027829574
SPT(16)	1921370796069839833	0 6 24 28 46 54 70 76 138 144 160 168 186 190 208 214	-1003777666788
STPT(10)	1921371296100206747	0 2 24 26 42 44 60 62 84 86	-503747299874
STPT(10)	1921371344780834057	0 2 42 44 72 74 102 104 144 146	-455066672564
SPT(16)	1921371438931770019	0 12 34 54 78 120 124 132 160 168 172 214 238 258 280 292	-360915736602
SPT(16)	1921371885089728411	0 42 58 70 130 132 142 162 208 228 238 240 300 312 328 370	85242221790
SPT(16)	1921371953493409999	0 10 18 30 64 88 102 142 150 190 204 228 262 274 282 292	153645903378
STPT(10)	1921372105573921337	0 2 30 32 42 44 54 56 84 86	305726414716
SPT(16)	1921372158823922011	0 16 30 78 88 120 148 162 166 180 208 240 250 298 312 328	358976415390
SPT(16)	1921372304357092661	0 2 26 50 60 128 158 188 210 240 270 338 348 372 396 398	504509586040