54:7=7 with a remainder of 5212:6=35 with a remainder of 2158:12=13 with a remainder of 2534:15=35 with a remainder of 9
54:7=7 with a remainder of 5
212:6=35 with a remainder of 2
158:12=13 with a remainder of 2
534:15=35 with a remainder of 9