1,1................................................................ 1,1................................................................ 1,1................................................................ 1,1................................................................ 1,1................................................................ 1,1................................................................ 1,1..................15,15....................1,1.......................... 1,1................4,4..............0,0....4,4......1,1........................ 1,1..............4,4..............0,0..4,4..0,0..4,4........1,1...................... 1,1..............4,4............0,0..4,4....0,0..4,4....0,0..4,4..1,1...................... 1,1..............4,4............0,0..4,4....0,0..4,4....0,0..4,4..1,1...................... 1,1..............4,4............0,0....4,4..0,0..4,4....0,0..4,4..1,1...................... 1,1..............4,4..............0,0......4,4....0,0..4,4..1,1...................... 1,1..............4,4..............0,0............4,4..1,1...................... 1,1..............4,4........0,0..4,4..........0,0....4,4....1,1...................... 1,1..............4,4........0,0..............4,4......1,1...................... 1,1..............4,4................0,0..4,4..........1,1...................... 1,1..............4,4....0,0....................4,4....1,1...................... 1,1..............4,4....................0,0..4,4......1,1...................... 1,1..............4,4..........0,0............4,4......1,1...................... 1,1..............4,4..........0,0..4,4........0,0..4,4......1,1...................... 1,1..............4,4..........0,0....4,4......0,0..4,4......1,1...................... 1,1..............4,4............0,0..........4,4......1,1...................... 1,1..............4,4....................0,0..4,4......1,1...................... 1,1..............4,4....0,0......4,4..........0,0..4,4......1,1...................... 1,1..............4,4........0,0..............4,4......1,1...................... 1,1................4,4........................1,1........................ 1,1....................15,15................1,1............................ 1,1................................................................ 1,1................................................................ 1,1................................................................ 1,1................................................................