Prime p₀= 2242236732940264201 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 4 2 4 18 2 18 40 8 40 18 2 18 4 2 4 12 (?)
a_n: 0 12 16 18 22 40 42 60 100 108 148 166 168 186 190 192 196 208
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: 208
Found by: JayPi
db: batch=81, k=18, 12 4 2 4 18 2 18 40 8

SPT(16)	2242235543686308571	0 16 18 30 42 66 108 136 162 190 232 256 268 280 282 298	-1189253955630
SPT(16)	2242235638673811997	0 66 76 172 214 256 270 276 280 286 300 342 384 480 490 556	-1094266452204
STPT(12)	2242235860207190171	0 2 30 32 60 62 198 200 228 230 258 260	-872733074030
TPT(14)	2242236234660753179	0 2 120 122 132 134 300 302 378 380 408 410 420 422	-498279511022
SPT(16)	2242236379986813167	0 66 86 114 156 210 216 266 300 350 356 410 452 480 500 566	-352953451034
STPT(10)	2242236391019983997	0 2 60 62 72 74 84 86 144 146	-341920280204
SPT(16)	2242237136460758491	0 28 36 46 106 126 138 160 216 238 250 270 330 340 348 376	403520494290
STPT(10)	2242237363908712067	0 2 84 86 102 104 120 122 204 206	630968447866
TPT(14)	2242237393450273949	0 2 30 32 72 74 78 80 90 92 168 170 228 230	660510009748
SPT(16)	2242237428129241471	0 12 60 78 82 88 90 96 112 118 120 126 130 148 196 208	695188977270
TPT(14)	2242237499328185999	0 2 78 80 90 92 210 212 222 224 258 260 330 332	766387921798