Prime p₀= 1563776954156832791 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 8 10 18 12 42 30 12 6 2 6 12 30 42 12 18 10 8 (?)
a_n: 0 8 18 36 48 90 120 132 138 140 146 158 188 230 242 260 270 278
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: 278
Found by: Armin Gips
db: batch=78, k=18, 8 10 18 12 42 30 12 6 2

SPT(16)	1563776041044852361	0 12 18 42 52 70 82 88 90 96 108 126 136 160 166 178	-913111980430
SPT(16)	1563776048409382127	0 6 12 36 60 116 134 260 276 402 420 476 500 524 530 536	-905747450664
SPT(18)	1563776130750809929	0 10 28 64 70 84 130 172 220 312 360 402 448 462 468 504 522 532	-823406022862
SPT(16)	1563776262816844963	0 66 76 90 138 144 234 238 276 280 370 376 424 438 448 514	-691339987828
SPT(16)	1563776387049361591	0 18 42 46 60 66 82 88 120 126 142 148 162 166 190 208	-567107471200
SPT(16)	1563776943292951183	0 58 66 70 88 136 154 210 244 300 318 366 384 388 396 454	-10863881608
STPT(10)	1563776978850017777	0 2 24 26 42 44 60 62 84 86	24693184986
SPT(16)	1563777088272019939	0 22 70 108 114 142 148 204 238 294 300 328 334 372 420 442	134115187148
TPT(14)	1563777359269448369	0 2 48 50 72 74 90 92 102 104 138 140 228 230	405112615578
SPT(16)	1563777783648472879	0 40 70 88 90 114 154 160 168 174 214 238 240 258 288 328	829491640088
STPT(10)	1563777839291063519	0 2 12 14 30 32 48 50 60 62	885134230728