Prime p₀= 2189387170909821821 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 12 30 8 28 2 16 26 4 26 16 2 28 8 30 12 (?)
a_n: 0 12 42 50 78 80 96 122 126 152 168 170 198 206 236 248
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: 248
Found by: [SG-FC] hl
db: batch=81, k=16, 12 30 8 28 2 16 26 4

STPT(10)	2189385712568949281	0 2 30 32 78 80 126 128 156 158	-1458340872540
SPT(16)	2189385909927291197	0 14 42 44 72 92 132 234 272 374 414 434 462 464 492 506	-1260982530624
SPT(16)	2189386041964739957	0 6 44 56 92 114 122 132 164 174 182 204 240 252 290 296	-1128945081864
STPT(10)	2189386168997667707	0 2 12 14 42 44 72 74 84 86	-1001912154114
SPT(16)	2189386664870779511	0 26 36 60 90 102 156 198 200 242 296 308 338 362 372 398	-506039042310
SPT(16)	2189386936588093259	0 8 50 62 92 98 110 128 132 150 162 168 198 210 252 260	-234321728562
SPT(16)	2189387290160311831	0 10 28 52 90 100 108 160 168 220 228 238 276 300 318 328	119250490010
STPT(10)	2189387567221264409	0 2 18 20 30 32 42 44 60 62	396311442588
SPT(16)	2189388686511206723	0 8 26 78 90 96 98 126 140 168 170 176 188 240 258 266	1515601384902
STPT(10)	2189388831967978181	0 2 30 32 78 80 126 128 156 158	1661058156360
STPT(10)	2189389025984109119	0 2 18 20 30 32 42 44 60 62	1855074287298