Prime p₀= 1215590350881075319 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 10 2 16 12 2 12 18 18 22 8 22 18 18 12 2 12 16 2 10 (?)
a_n: 0 10 12 28 40 42 54 72 90 112 120 142 160 178 190 192 204 220 222 232
All 20 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 232
Found by: stoneageman
db: batch=77, k=20, 10 2 16 12 2 12 18 18 22 8

TPT(14)	1215587565863893919	0 2 30 32 48 50 90 92 132 134 168 170 228 230	-2785017181400
SPT(16)	1215588715738420253	0 18 24 26 60 84 86 98 126 138 140 164 198 200 206 224	-1635142655066
SPT(16)	1215588993131473403	0 36 86 128 150 158 198 200 216 218 258 266 288 330 380 416	-1357749601916
SPT(16)	1215589124593041239	0 44 72 74 108 144 242 252 350 360 458 494 528 530 558 602	-1226288034080
SPT(16)	1215589233438193613	0 68 98 108 150 168 186 198 266 278 296 314 356 366 396 464	-1117442881706
STPT(10)	1215589948774982897	0 2 30 32 42 44 54 56 84 86	-402106092422
SPT(16)	1215590619134061433	0 40 58 76 148 160 196 208 246 258 294 306 378 396 414 454	268252986114
SPT(18)	1215591385799101907	0 12 24 32 110 140 144 162 186 200 224 242 246 276 354 362 374 386	1034918026588
SPT(16)	1215591469787488823	0 14 18 44 60 68 170 228 236 294 396 404 420 446 450 464	1118906413504
SPT(16)	1215591495729706279	0 22 60 64 70 112 130 144 328 342 360 402 408 412 450 472	1144848630960
SPT(16)	1215591573908781829	0 22 28 40 42 84 114 162 190 238 268 310 312 324 330 352	1223027706510