번호	제목
30107	POPCOUNT
30108	교육적인 트리 문제
30109	보물 상자
30110	Atspėk skaičių!
30111	Tiltai
30112	Žemėlapio atkūrimas
30113	Skriestuvas
30114	Žygis į kalnus
30123	Geometry Problem
30124	Lap time in a racing circuit
30125	Lattice Squares
30126	Trip Compulsion
30127	Love for Pizza
30128	Succession
30129	Blocks for kids
30130	Paper Presentation
30131	Gold Digging
30132	Minesweeper
30133	Palindromic paths
30134	Pile it down