Elliott Carter - Piano Concerto - Hexachordal combinatoriality chords

Combinatorial all-trichord hexachords from Elliott Carter's Piano Concerto, mm.59-60. Hexachord I: 0, 1, 2, 4, 7, 8 (6-z17A). Hexachord II: 0, 1, 2, 5, 6, 8 (6-z43A).