Prime p₀= 1988971511305521761 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 6 12 2 36 60 12 40 8 34 8 40 12 60 36 2 12 6 (?)
a_n: 0 6 18 20 56 116 128 168 176 210 218 258 270 330 366 368 380 386
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: 386
Found by: Marcel-Berlin
db: batch=80, k=18, 6 12 2 36 60 12 40 8 34

SPT(16)	1988968388807877143	0 6 8 50 56 60 90 140 234 284 314 318 324 366 368 374	-3122497644618
TPT(14)	1988969607649063769	0 2 30 32 78 80 90 92 162 164 198 200 210 212	-1903656457992
SPT(16)	1988970116789041283	0 6 20 56 66 80 128 150 164 186 234 248 258 294 308 314	-1394516480478
SPT(16)	1988970471642265079	0 20 42 48 80 104 122 134 168 180 198 222 254 260 282 302	-1039663256682
TPT(14)	1988970493686116789	0 2 78 80 132 134 168 170 198 200 330 332 342 344	-1017619404972
STPT(10)	1988971059028265927	0 2 24 26 42 44 60 62 84 86	-452277255834
STPT(10)	1988971585629206159	0 2 42 44 60 62 78 80 120 122	74323684398
STPT(10)	1988971641571541909	0 2 18 20 60 62 102 104 120 122	130266020148
SPT(16)	1988971722126301417	0 24 70 84 96 130 136 172 204 240 246 280 292 306 352 376	210820779656
SPT(16)	1988971738440900007	0 12 16 22 34 112 190 222 274 306 384 462 474 480 484 496	227135378246
SPT(16)	1988971750615323769	0 12 58 72 78 88 102 124 168 190 204 214 220 234 280 292	239309802008