Prime p₀= 2044780294265119417 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 10 20 24 48 10 44 10 30 14 30 10 44 10 48 24 20 10 (?)
a_n: 0 10 30 54 102 112 156 166 196 210 240 250 294 304 352 376 396 406
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 406
Found by: Dingo
db: batch=80, k=18, 10 20 24 48 10 44 10 30 14

SPT(16)	2044778622996301823	0 30 44 50 78 108 120 138 140 158 170 200 228 234 248 278	-1671268817594
SPT(16)	2044778865851889931	0 30 46 52 60 66 82 100 108 126 142 148 156 162 178 208	-1428413229486
TPT(14)	2044778953640033459	0 2 60 62 132 134 312 314 468 470 492 494 498 500	-1340625085958
SPT(16)	2044779313600598117	0 14 56 86 92 114 156 182 204 230 272 294 300 330 372 386	-980664521300
SPT(16)	2044779338053562581	0 16 42 66 108 126 130 148 150 168 172 190 232 256 282 298	-956211556836
STPT(10)	2044779569418449957	0 2 30 32 60 62 90 92 120 122	-724846669460
SPT(16)	2044780521647096357	0 42 50 56 62 80 92 152 174 234 246 264 270 276 284 326	227381976940
STPT(10)	2044781126020335137	0 2 30 32 42 44 54 56 84 86	831755215720
TPT(14)	2044781171283536429	0 2 132 134 162 164 168 170 210 212 240 242 282 284	877018417012
SPT(16)	2044781178383796187	0 4 12 30 102 114 144 166 300 322 352 364 436 454 462 466	884118676770
STPT(10)	2044781288091867509	0 2 18 20 30 32 42 44 60 62	993826748092