Prime p₀= 190870580682106343 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 18 32 6 28 20 12 10 18 2 22 2 18 10 12 20 28 6 32 18 (?)
a_n: 0 18 50 56 84 104 116 126 144 146 168 170 188 198 210 230 258 264 296 314
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: 314
Found by: LeChat51X
db: batch=69, k=20, 18 32 6 28 20 12 10 18 2 22

SPT(14)	190870474694916013	0 18 28 40 70 78 88 96 106 114 144 156 166 184	-105987190330
SPT(14)	190870491630908753	0 20 30 98 110 114 140 144 170 174 186 254 264 284	-89051197590
SPT(14)	190870513527317749	0 54 82 88 124 138 154 168 184 198 234 240 268 322	-67154788594
TPT(12)	190870556902698731	0 2 60 62 120 122 168 170 186 188 198 200	-23779407612
TPT(12)	190870557934368209	0 2 42 44 72 74 78 80 120 122 132 134	-22747738134
SPT(14)	190870564294982477	0 20 44 86 90 114 140 180 206 230 234 276 300 320	-16387123866
SPT(14)	190870586031406549	0 22 28 34 42 60 120 142 202 220 228 234 240 262	5349300206
SPT(14)	190870597292268007	0 6 30 60 64 76 90 100 114 126 130 160 184 190	16610161664
TPT(12)	190870617807639389	0 2 12 14 72 74 138 140 228 230 270 272	37125533046
SPT(14)	190870627787544637	0 4 72 76 114 132 136 210 214 232 270 274 342 346	47105438294
TPT(12)	190870632868716767	0 2 42 44 72 74 180 182 192 194 204 206	52186610424