Prime p₀= 754999139117066113 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 6 28 80 42 10 2 22 18 38 18 22 2 10 42 80 28 6 (?)
a_n: 0 6 34 114 156 166 168 190 208 246 264 286 288 298 340 420 448 454
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: 454
Found by: jozef j
db: batch=73, k=18, 6 28 80 42 10 2 22 18 38

STPT(10)	754997522258200577	0 2 42 44 72 74 102 104 144 146	-1616858865536
STPT(10)	754998208353900569	0 2 42 44 60 62 78 80 120 122	-930763165544
SPT(16)	754998504607907909	0 32 42 44 72 74 108 128 144 164 198 200 228 230 240 272	-634509158204
STPT(10)	754998513435845057	0 2 84 86 162 164 240 242 324 326	-625681221056
SPT(16)	754998717073067287	0 16 42 46 120 190 192 210 262 280 282 352 426 430 456 472	-422043998826
STPT(10)	754998728370681209	0 2 18 20 30 32 42 44 60 62	-410746384904
TPT(14)	754999436400257537	0 2 12 14 144 146 150 152 222 224 264 266 282 284	297283191424
STPT(10)	754999477485873797	0 2 60 62 72 74 84 86 144 146	338368807684
STPT(10)	754999642880275139	0 2 42 44 90 92 138 140 180 182	503763209026
SPT(16)	755000231784416899	0 4 12 28 30 42 54 64 78 88 100 112 114 130 138 142	1092667350786
TPT(14)	755000366814990761	0 2 36 38 78 80 90 92 126 128 150 152 216 218	1227697924648