Prime p₀= 1561013070287541109 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 12 28 30 84 50 18 28 20 4 14 4 20 28 18 50 84 30 28 12 (?)
a_n: 0 12 40 70 154 204 222 250 270 274 288 292 312 340 358 408 492 522 550 562
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: 562
Found by: LCB001
db: batch=78, k=20, 12 28 30 84 50 18 28 20 4 14

SPT(16)	1561011959826044477	0 14 30 86 90 114 156 164 222 230 272 296 300 356 372 386	-1110461496632
SPT(18)	1561012098387537799	0 40 54 64 120 124 138 148 154 174 180 190 204 208 264 274 288 328	-971900003310
TPT(14)	1561012361471022041	0 2 96 98 150 152 240 242 288 290 306 308 360 362	-708816519068
SPT(16)	1561012720727327603	0 8 30 50 66 68 80 108 128 156 168 170 186 206 228 236	-349560213506
STPT(10)	1561012733657836799	0 2 18 20 30 32 42 44 60 62	-336629704310
SPT(16)	1561013006162593747	0 10 22 60 64 70 112 114 142 144 186 192 196 234 246 256	-64124947362
SPT(16)	1561013247304128977	0 2 14 24 30 50 74 86 120 132 156 176 182 192 204 206	177016587868
SPT(16)	1561013614584519229	0 18 30 58 60 102 172 184 198 210 280 322 324 352 364 382	544296978120
SPT(16)	1561013975469893647	0 6 10 22 24 72 82 112 204 234 244 292 294 306 310 316	905182352538
SPT(16)	1561014205787522377	0 16 30 34 82 114 250 262 264 276 412 444 492 496 510 526	1135499981268
STPT(10)	1561014564100918037	0 2 42 44 72 74 102 104 144 146	1493813376928