Prime p₀= 1892478817414137839 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 2 24 30 22 8 6 6 22 6 6 8 22 30 24 2 12 (?)
a_n: 0 12 14 38 68 90 98 104 110 132 138 144 152 174 204 228 230 242
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: 242
Found by: ladmo
db: batch=79, k=18, 12 2 24 30 22 8 6 6 22

SPT(16)	1892477976932679751	0 42 60 70 76 82 88 130 138 180 186 192 198 208 226 268	-840481458088
SPT(16)	1892478133261719643	0 30 58 70 94 100 124 126 178 180 204 210 234 246 274 304	-684152418196
SPT(16)	1892478459381498239	0 32 114 132 258 270 284 312 320 348 362 374 500 518 600 632	-358032639600
STPT(10)	1892478532582518911	0 2 30 32 60 62 90 92 120 122	-284831618928
STPT(10)	1892478671556028091	0 2 6 8 48 50 90 92 96 98	-145858109748
STPT(10)	1892478701532341771	0 2 30 32 60 62 90 92 120 122	-115881796068
SPT(16)	1892479055483340529	0 10 28 90 112 132 160 184 228 252 280 300 322 384 402 412	238069202690
TPT(14)	1892479324229984489	0 2 30 32 102 104 108 110 282 284 312 314 348 350	506815846650
STPT(10)	1892479562748816401	0 2 6 8 48 50 90 92 96 98	745334678562
STPT(12)	1892480495525050049	0 2 48 50 90 92 168 170 210 212 258 260	1678110912210
SPT(16)	1892480570168747687	0 50 86 182 200 206 252 254 282 284 330 336 354 450 486 536	1752754609848