4, 14, 24, 34, 44, 54, 64, 74, 84, 94, 104, 114, 124, 134, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 154, 164, 174, 184, 194, 204, 214, 224, 234, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 254.
47 times
It has just one solution and dats elimination method
put 63 and 9 into a ratio. so it’s 63 chapters to 9(63:9) .