Prime p₀= 863991175777824869 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 54 14 10 24 30 12 44 6 24 16 24 6 44 12 30 24 10 14 54 (?)
a_n: 0 54 68 78 102 132 144 188 194 218 234 258 264 308 320 350 374 384 398 452
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: 452
derived by truncating larger tuple
Found by: RFGuy_KCCO
db: batch=73, k=20, 54 14 10 24 30 12 44 6 24 16

STPT(10)	863990309364485267	0 2 30 32 42 44 54 56 84 86	-866413339602
SPT(16)	863990543736948097	0 12 52 54 94 96 106 130 186 210 220 222 262 264 304 316	-632040876772
STPT(10)	863990577744474119	0 2 30 32 60 62 90 92 120 122	-598033350750
STPT(10)	863990851174739369	0 2 12 14 90 92 168 170 180 182	-324603085500
STPT(12)	863991037775145767	0 2 12 14 42 44 102 104 132 134 144 146	-138002679102
SPT(22)	863991175777824823	0 46 100 114 124 148 178 190 234 240 264 280 304 310 354 366 396 420 430 444 498 544	-46
SPT(16)	863991197579928487	0 4 10 40 54 72 84 102 124 142 154 172 186 216 222 226	21802103618
SPT(16)	863991338030077399	0 22 60 84 102 150 220 228 244 252 322 370 388 412 450 472	162252252530
STPT(10)	863991364028841077	0 2 12 14 42 44 72 74 84 86	188251016208
STPT(10)	863991483247763639	0 2 18 20 30 32 42 44 60 62	307469938770
SPT(16)	863991501520871809	0 10 30 42 52 78 112 114 148 150 184 210 220 232 252 262	325743046940
SPT(16)	863991867744912583	0 54 66 70 84 88 130 186 328 384 426 430 444 448 460 514	691967087714