Prime p₀= 2516619378405474781 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 6 30 30 42 42 18 18 42 42 30 30 6 (?)
a_n: 0 6 36 66 108 150 168 186 228 270 300 330 336
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: 336
Found by: JayPi
db: batch=82, k=13, 6 30 30 42 42 18

SPT(20)	2516617790257775441	0 18 30 48 56 86 90 108 132 150 188 206 230 248 252 282 290 308 320 338	-1588147699340
SPT(13)	2516617874078172869	0 30 42 60 78 102 120 138 162 180 198 210 240	-1504327301912
STPT(10)	2516618545635384101	0 2 6 8 18 20 30 32 36 38	-832770090680
STPT(10)	2516618968617992279	0 2 18 20 30 32 42 44 60 62	-409787482502
SPT(16)	2516619130030935229	0 10 34 48 54 58 84 100 108 124 150 154 160 174 198 208	-248374539552
SPT(16)	2516619189851466421	0 16 18 66 120 150 186 220 288 322 358 388 442 490 492 508	-188554008360
TPT(14)	2516619792122973497	0 2 42 44 72 74 102 104 114 116 162 164 210 212	413717498716
STPT(10)	2516619792557330027	0 2 12 14 42 44 72 74 84 86	414151855246
TPT(14)	2516619997267074287	0 2 30 32 42 44 114 116 120 122 222 224 264 266	618861599506
SPT(16)	2516620367579513477	0 6 60 86 116 126 140 206 234 300 314 324 354 380 434 440	989174038696
STPT(10)	2516620598250246077	0 2 42 44 72 74 102 104 144 146	1219844771296