First numbers that belong to both sets:
3,
7,
131,
151,
181,
313,
353,
383,
797,
919,
10501,
10601,
12421,
12721,
13331,
13831,
14741,
15451,
16661,
17471,
19391,
19891,
30203,
30403,
31513,
32323,
33533,
34843,
35053,
35153,
36563,
37573,
38083,
70207,
70507,
71917,
75557,
78487,
90709,
91019,
93139,
93739,
94849,
95959,
96269,
96469,
96769,
97579,
98389,
98689,
1043401,
1062601,
1065601,
1082801,
1160611,
1163611,
1178711,
1180811,
1193911,
1201021,
1212121,
1242421,
1245421,
1250521,
1253521,
1257521,
1276721,
1278721,
1286821,
1287821,
1300031,
1311131,
1317131,
1333331,
1343431,
1362631,
1363631,
1374731,
1407041,
1409041,
1411141,
1422241,
1447441,
1452541,
1456541,
1461641,
1469641,
1489841,
1490941,
1496941,
1508051,
1520251,
1542451,
1550551,
1557551,
1572751,
1580851,
1583851,
1589851,
1597951,
1611161,
1630361,
1658561,
1670761,
1688861,
1703071,
1730371,
1755571,
1764671,
1793971,
1820281,
1831381,
1832381,
1842481,
1883881,
1884881,
1903091,
1908091,
1909091,
1917191,
1924291,
1930391,
1936391,
1952591,
1957591,
1968691,
1970791,
1976791,
1981891,
1982891,
1987891,
1988891,
1995991,
1998991,
3001003,
3002003,
3007003,
3016103,
3026203,
3064603,
3072703,
3073703,
3089803,
3091903,
3095903,
3106013,
3140413,
3158513,
3160613,
3196913,
3212123,
3218123,
3222223,
3223223,
3228223,
3286823,
3291923,
3293923,
3310133,
3315133,
3319133,
3321233,
3329233,
3331333,
3343433,
3353533,
3362633,
3365633,
3411143,
3424243,
3427243,
3439343,
3441443,
3443443,
3449443,
3470743,
3479743,
3485843,
3487843,
3515153,
3517153,
3528253,
3569653,
3589853,
3591953,
3601063,
3618163,
3716173,
3717173,
3728273,
3746473,
3762673,
3763673,
3765673,
3769673,
3774773,
3781873,
3784873,
3793973,
3799973,
3826283,
3858583,
3863683,
3867683,
3871783,
3878783,
3893983,
3899983,
3916193,
3924293,
3938393,
3946493,
3948493,
3970793,
7036307,
7057507,
7065607,
7073707,
7096907,
7115117,
7134317,
7136317,
7145417,
7155517,
7158517,
7177717,
7226227,
7246427,
7250527,
7267627,
7278727,
7310137,
7324237,
7352537,
7354537,
7409047,
7434347,
7436347,
7439347,
7472747,
7493947,
7507057,
7508057,
7521257,
7564657,
7576757,
7594957,
7622267,
7644467,
7662667,
7665667,
7669667,
7693967,
7718177,
7742477,
7747477,
7758577,
7772777,
7791977,
7794977,
7821287,
7832387,
7838387,
7843487,
7943497,
7958597,
7985897,
7996997,
9045409,
9046409,
9067609,
9073709,
9127219,
9128219,
9136319,
9149419,
9179719,
9196919,
9199919,
9200029.
Some larger examples :
9787879,
9795979,
9801089,
9809089,
9817189,
9822289,
9836389,
9888889,
9889889,
9896989,
9907099,
9908099,
9918199,
9931399,
9935399,
9938399,
9957599,
9978799,
9981899,
9989899.