description Problema history Envíos question_mark Preguntas y respuestas how_to_vote Voto #5515 upload 109 done 26 how_to_reg 14 2xN 격자판에 1x1, 1x2, 1x3조각으로 타일 채우기 timer 1s memory 64MB keyboard_tab_rtl chevron_left 491 492 493 494 495 496 497 498 499 500 chevron_right keyboard_tab