Prime p₀= 2821036942160686261 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 6 12 42 36 12 30 30 12 36 42 12 6 (?)
a_n: 0 6 18 60 96 108 138 168 180 216 258 270 276
All 13 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 276
Found by: conf [MM]
db: batch=82, k=13, 6 12 42 36 12 30

SPT(16)	2821035691460025551	0 26 56 80 98 108 176 180 206 210 278 288 306 330 360 386	-1250700660710
SPT(16)	2821035944815557503	0 6 26 38 56 86 114 126 128 140 168 198 216 228 248 254	-997345128758
SPT(16)	2821035953633369119	0 72 112 120 130 142 160 202 240 282 300 312 322 330 370 442	-988527317142
SPT(16)	2821036346313878359	0 42 64 78 108 144 154 228 244 318 328 364 394 408 430 472	-595846807902
SPT(16)	2821036565879610367	0 34 60 84 90 126 132 142 144 154 160 196 202 226 252 286	-376281075894
SPT(16)	2821036630151656139	0 38 42 72 144 152 158 198 224 264 270 278 350 380 384 422	-312009030122
TPT(14)	2821037748168973217	0 2 54 56 84 86 120 122 132 134 234 236 252 254	806008286956
STPT(10)	2821037970014288777	0 2 30 32 42 44 54 56 84 86	1027853602516
STPT(10)	2821039029964466357	0 2 54 56 72 74 90 92 144 146	2087803780096
SPT(16)	2821039598179974071	0 8 32 60 90 96 98 158 330 390 392 398 428 456 480 488	2656019287810
STPT(10)	2821039606264883117	0 2 90 92 102 104 114 116 204 206	2664104196856