Tag swap - Это страница 3 - GeneraCodice
Swap neighboring elements grouped by two's [1,2,3,4,5,6] = [2,1,4,3,6,5]
https://www.generacodice.com/ru/articolo/12897433/swap-neighboring-elements-grouped-by-two-s-1-2-3-4-5-6-2-1-4-3-6-5
Результаты найдены: 782