Prime p₀= 1171942143934480013 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 56 30 52 18 32 12 78 6 22 122 22 6 78 12 32 18 52 30 56 (?)
a_n: 0 56 86 138 156 188 200 278 284 306 428 450 456 534 546 578 596 648 678 734
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: 734
derived by truncating larger tuple
Found by: vinn@[CNT]
db: batch=77, k=20, 56 30 52 18 32 12 78 6 22 122

SPT(16)	1171941062543511599	0 8 20 62 110 138 152 162 230 240 254 282 330 372 384 392	-1081390968414
STPT(10)	1171941105948788027	0 2 30 32 72 74 114 116 144 146	-1037985691986
STPT(10)	1171941161442526841	0 2 36 38 78 80 120 122 156 158	-982491953172
SPT(16)	1171941888268061699	0 18 32 38 120 132 140 174 218 252 260 272 354 360 374 392	-255666418314
SPT(16)	1171942056590550937	0 4 40 54 94 102 142 154 240 252 292 300 340 354 390 394	-87343929076
SPT(22)	1171942143934479959	0 54 110 140 192 210 242 254 332 338 360 482 504 510 588 600 632 650 702 732 788 842	-54
STPT(10)	1171942410116217107	0 2 30 32 42 44 54 56 84 86	266181737094
STPT(10)	1171942482272245499	0 2 12 14 90 92 168 170 180 182	338337765486
STPT(10)	1171942815824900981	0 2 36 38 78 80 120 122 156 158	671890420968
SPT(16)	1171942909384765549	0 10 30 42 52 94 100 114 148 162 168 210 220 232 252 262	765450285536
STPT(10)	1171943067481859051	0 2 30 32 120 122 210 212 240 242	923547379038
SPT(16)	1171943445479797433	0 36 50 80 114 144 174 224 276 326 356 386 420 450 464 500	1301545317420