Prime p₀= 974603478358166383 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 6 12 30 12 48 30 30 48 12 30 12 6 (?)
a_n: 0 6 18 48 60 108 138 168 216 228 258 270 276
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: samuraiii
db: batch=76, k=13, 6 12 30 12 48 30

SPT(16)	974602563940373191	0 6 18 66 88 102 108 186 202 280 286 300 322 370 382 388	-914417793192
SPT(16)	974602828065952249	0 52 114 118 120 162 180 192 250 262 280 322 324 328 390 442	-650292214134
SPT(16)	974603022757236469	0 22 24 70 94 114 120 130 132 142 148 168 192 238 240 262	-455600929914
SPT(16)	974603169765780031	0 16 22 42 70 96 100 126 136 162 166 192 220 240 246 262	-308592386352
SPT(16)	974603357559051557	0 24 50 54 60 74 80 86 150 156 162 176 182 186 212 236	-120799114826
STPT(10)	974603367417829349	0 2 12 14 90 92 168 170 180 182	-110940337034
SPT(16)	974603782777129009	0 10 52 58 94 102 120 124 168 172 190 198 234 240 282 292	304418962626
STPT(10)	974603819880190397	0 2 60 62 72 74 84 86 144 146	341522024014
SPT(18)	974603923461432839	0 14 18 24 42 50 78 92 108 194 210 224 252 260 278 284 288 302	445103266456
TPT(14)	974603927820674141	0 2 6 8 48 50 168 170 180 182 240 242 300 302	449462507758
STPT(10)	974604073698047669	0 2 30 32 60 62 90 92 120 122	595339881286