Prime p₀= 1918109056925841011 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 42 36 30 2 28 18 12 44 16 32 16 44 12 18 28 2 30 36 42 (?)
a_n: 0 42 78 108 110 138 156 168 212 228 260 276 320 332 350 378 380 410 446 488
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: 488
Found by: Landjunge
db: batch=80, k=20, 42 36 30 2 28 18 12 44 16 32

SPT(16)	1918108324996056223	0 4 6 16 24 28 46 70 174 198 216 220 228 238 240 244	-731929784788
SPT(16)	1918108476743929193	0 6 8 38 84 104 120 146 168 194 210 230 276 306 308 314	-580181911818
STPT(10)	1918108597919895011	0 2 36 38 78 80 120 122 156 158	-459005946000
SPT(16)	1918108726921558397	0 14 32 42 62 80 116 150 266 300 336 354 374 384 402 416	-330004282614
STPT(10)	1918108850952658379	0 2 78 80 120 122 162 164 240 242	-205973182632
STPT(10)	1918108952540358647	0 2 24 26 42 44 60 62 84 86	-104385482364
STPT(10)	1918109150861495309	0 2 48 50 90 92 132 134 180 182	93935654298
SPT(16)	1918109234446598563	0 6 18 28 40 60 76 88 126 138 154 174 186 196 208 214	177520757552
SPT(16)	1918110081714650011	0 28 58 96 118 132 168 258 370 460 496 510 532 570 600 628	1024788809000
SPT(16)	1918110305941879853	0 24 38 56 84 90 114 170 294 350 374 380 408 426 440 464	1249016038842
SPT(16)	1918110576155324021	0 18 60 72 86 98 102 116 132 146 150 162 176 188 230 248	1519229483010