Răspuns:
1.4712,4737,4748.
2.4555, 4789,4920.
3.a 4665,4666,4667,4668,4669.(nu exista 6 mai mici)
4671,4672,4673,4674. La fel, nu exista 6 mai mari
b 6256,6267,6288,6293,6272,6269.
6301,6330,6321,6349,6326,6343.
c 7503,7609,7660,7890,7740,7999.
8010,8112,8255,8346,8439,8290.