[148, 226, 257, 428, 494, 573, 594, 764, 947] 0 r: 148 c: 1 r: 226 c: 2 r: 257 c: 3 r: 428 c: 4 r: 494 c: 5 r: 573 c: 6 r: 594 c: 7 r: 764 c: 8 r: 947 c: 9