Prime p₀= 1415020538540171389 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 4 36 60 44 24 16 38 28 32 28 38 16 24 44 60 36 4 (?)
a_n: 0 4 40 100 144 168 184 222 250 282 310 348 364 388 432 492 528 532
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: 532
Found by: jozef j
db: batch=78, k=18, 4 36 60 44 24 16 38 28 32

SPT(16)	1415018118306165313	0 10 76 90 120 154 166 178 276 288 300 334 364 378 444 454	-2420234006076
SPT(16)	1415018765967334939	0 22 24 28 90 94 112 192 220 300 318 322 384 388 390 412	-1772572836450
SPT(16)	1415019900799895179	0 4 10 12 28 40 54 70 72 88 102 114 130 132 138 142	-637740276210
SPT(16)	1415020200677539229	0 8 50 104 120 140 152 158 204 210 222 242 258 312 354 362	-337862632160
STPT(10)	1415020253364462359	0 2 18 20 30 32 42 44 60 62	-285175709030
SPT(16)	1415020457543484401	0 12 30 78 98 126 192 206 282 296 362 390 410 458 476 488	-80996686988
SPT(16)	1415020761925640099	0 2 24 42 72 80 98 114 158 174 192 200 230 248 270 272	223385468710
SPT(16)	1415020908833471483	0 120 126 164 168 188 228 230 264 266 306 326 330 368 374 494	370293300094
SPT(16)	1415020994583997201	0 16 22 58 108 126 130 148 150 168 172 190 240 276 282 298	456043825812
SPT(20)	1415021381061783673	0 28 126 136 166 184 208 210 324 330 364 370 484 486 510 528 558 568 666 694	842521612284
SPT(16)	1415021682663792061	0 28 46 82 126 132 160 196 222 258 286 292 336 372 390 418	1144123620672