Prime p₀= 2245314470764869391 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 30 40 6 12 44 18 36 12 18 46 18 12 36 18 44 12 6 40 30 (?)
a_n: 0 30 70 76 88 132 150 186 198 216 262 280 292 328 346 390 402 408 448 478
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: 478
Found by: Penguin
db: batch=81, k=20, 30 40 6 12 44 18 36 12 18 46

SPT(16)	2245313332650581077	0 16 40 42 84 96 136 154 192 210 250 262 304 306 330 346	-1138114288314
STPT(10)	2245313429520181211	0 2 36 38 78 80 120 122 156 158	-1041244688180
STPT(10)	2245313588891331779	0 2 18 20 30 32 42 44 60 62	-881873537612
SPT(16)	2245313983887730871	0 12 26 30 38 56 78 92 126 140 162 180 188 192 206 218	-486877138520
STPT(10)	2245314041005776269	0 2 12 14 90 92 168 170 180 182	-429759093122
SPT(16)	2245314136059696269	0 8 38 42 110 140 162 170 192 200 222 252 320 324 354 362	-334705173122
SPT(16)	2245314825141928369	0 4 18 42 58 70 90 114 118 142 162 174 190 214 228 232	354377058978
STPT(10)	2245314901975793897	0 2 12 14 42 44 72 74 84 86	431210924506
STPT(10)	2245315301434569779	0 2 18 20 30 32 42 44 60 62	830669700388
SPT(16)	2245315977827527301	0 6 8 20 110 120 138 140 168 170 188 198 288 300 302 308	1507062657910
SPT(16)	2245316522571350861	0 2 8 66 72 78 86 96 122 132 140 146 152 210 216 218	2051806481470