Prime p₀= 2237101864469320799 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 74 10 6 20 60 40 2 12 184 12 2 40 60 20 6 10 74 (?)
a_n: 0 74 84 90 110 170 210 212 224 408 420 422 462 522 542 548 558 632
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 632
Found by: Merowig
db: batch=81, k=18, 74 10 6 20 60 40 2 12 184

SPT(16)	2237101145148023419	0 40 42 70 114 124 160 168 184 192 228 238 282 310 312 352	-719321297380
SPT(16)	2237101181297987311	0 6 10 28 40 118 136 156 220 240 258 336 348 366 370 376	-683171333488
STPT(10)	2237101368509308661	0 2 6 8 48 50 90 92 96 98	-495960012138
SPT(16)	2237101415365739743	0 16 36 78 100 120 126 130 186 190 196 216 238 280 300 316	-449103581056
STPT(10)	2237101454988212567	0 2 60 62 72 74 84 86 144 146	-409481108232
SPT(16)	2237101805571476903	0 30 56 96 210 246 254 290 294 330 338 374 488 528 554 584	-58897843896
SPT(16)	2237101950399957409	0 4 48 58 84 108 168 174 178 184 244 268 294 304 348 352	85930636610
STPT(12)	2237102033104921457	0 2 12 14 54 56 60 62 102 104 114 116	168635600658
SPT(16)	2237102160339343879	0 4 18 22 52 54 88 130 162 204 238 240 270 274 288 292	295870023080
SPT(16)	2237102161235966873	0 8 38 56 60 128 146 168 206 228 246 314 318 336 366 374	296766646074
SPT(16)	2237102199145250119	0 4 34 42 48 78 88 114 118 144 154 184 190 198 228 232	334675929320