Prime p₀= 227201370464834053 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 18 12 10 14 34 36 12 20 10 2 10 20 12 36 34 14 10 12 18 (?)
a_n: 0 18 30 40 54 88 124 136 156 166 168 178 198 210 246 280 294 304 316 334
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: 334
derived by truncating larger tuple
Found by: bluestick.eu
db: batch=69, k=20, 18 12 10 14 34 36 12 20 10 2

SPT(14)	227201289763773289	0 4 24 40 42 52 82 180 210 220 222 238 258 262	-80701060764
SPT(14)	227201302744139267	0 26 92 102 134 152 180 206 234 252 284 294 360 386	-67720694786
TPT(12)	227201318516009729	0 2 12 14 78 80 150 152 210 212 288 290	-51948824324
SPT(14)	227201321168847691	0 12 18 46 66 96 102 106 112 142 162 190 196 208	-49295986362
SPT(14)	227201331150797863	0 6 16 18 66 70 88 96 114 118 166 168 178 184	-39314036190
SPT(22)	227201370464834041	0 12 30 42 52 66 100 136 148 168 178 180 190 210 222 258 292 306 316 328 346 358	-12
SPT(14)	227201382642196087	0 42 54 60 76 124 126 130 132 180 196 202 214 256	12177362034
SPT(14)	227201386958296243	0 10 16 76 208 220 240 286 306 318 450 510 516 526	16493462190
SPT(14)	227201396676523037	0 26 32 44 54 74 126 200 252 272 282 294 300 326	26211688984
SPT(14)	227201396886451249	0 30 40 42 54 72 118 174 220 238 250 252 262 292	26421617196
TPT(12)	227201408827208897	0 2 12 14 30 32 72 74 312 314 342 344	38362374844
SPT(14)	227201409649566799	0 10 28 30 54 58 124 168 234 238 262 264 282 292	39184732746