Prime p₀= 371388358035189637 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 4 26 34 90 18 12 2 30 54 16 54 30 2 12 18 90 34 26 4 (?)
a_n: 0 4 30 64 154 172 184 186 216 270 286 340 370 372 384 402 492 526 552 556
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: 556
derived by truncating larger tuple
Found by: scrap
db: batch=70, k=20, 4 26 34 90 18 12 2 30 54 16

TPT(12)	371388283665860759	0 2 42 44 60 62 102 104 138 140 180 182	-74369328878
SPT(14)	371388283802946121	0 6 60 90 96 112 126 166 180 196 202 232 286 292	-74232243516
SPT(14)	371388291376773217	0 40 72 114 150 154 162 184 192 196 232 274 306 346	-66658416420
SPT(14)	371388323413937717	0 2 6 12 30 90 116 180 206 266 284 290 294 296	-34621251920
STPT(10)	371388341374882199	0 2 18 20 30 32 42 44 60 62	-16660307438
SPT(22)	371388358035189623	0 14 18 44 78 168 186 198 200 230 284 300 354 384 386 398 416 506 540 566 570 584	-14
TPT(12)	371388362301644537	0 2 90 92 174 176 180 182 210 212 234 236	4266454900
SPT(14)	371388376454339897	0 2 14 20 30 50 60 116 126 146 156 162 174 176	18419150260
SPT(14)	371388396771780151	0 18 40 112 136 156 190 228 262 282 306 378 400 418	38736590514
SPT(14)	371388405262471073	0 8 14 24 44 156 170 204 218 330 350 360 366 374	47227281436
SPT(14)	371388413155728061	0 18 36 42 52 66 90 148 172 186 196 202 220 238	55120538424
TPT(12)	371388413440633871	0 2 6 8 18 20 60 62 120 122 126 128	55405444234