Prime p₀= 2091131826440597639 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 2 28 2 12 4 14 12 24 16 24 12 14 4 12 2 28 2 (?)
a_n: 0 2 30 32 44 48 62 74 98 114 138 150 164 168 180 182 210 212
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: 212
Found by: MechWarrior
db: batch=80, k=18, 2 28 2 12 4 14 12 24 16

TPT(14)	2091130506854793377	0 2 24 26 114 116 120 122 162 164 210 212 252 254	-1319585804262
STPT(10)	2091130601499488369	0 2 18 20 30 32 42 44 60 62	-1224941109270
SPT(16)	2091131113868432641	0 18 42 52 66 78 102 126 172 196 220 232 246 256 280 298	-712572164998
STPT(10)	2091131179037066609	0 2 42 44 60 62 78 80 120 122	-647403531030
STPT(10)	2091131269198925711	0 2 6 8 18 20 30 32 36 38	-557241671928
SPT(16)	2091131648631363517	0 40 84 90 100 106 154 174 196 216 264 270 280 286 330 370	-177809234122
SPT(16)	2091131856277000139	0 18 30 78 144 182 194 210 212 228 240 278 344 392 404 422	29836402500
STPT(10)	2091131874084705227	0 2 12 14 42 44 72 74 84 86	47644107588
SPT(16)	2091131889798399379	0 10 70 72 78 84 100 144 148 192 208 214 220 222 282 292	63357801740
STPT(10)	2091132091247466299	0 2 48 50 90 92 132 134 180 182	264806868660
STPT(10)	2091132182816171237	0 2 30 32 42 44 54 56 84 86	356375573598