\(56:14=4\); \(57:19=3\); \(64:16=4\); \(95:19=5\); \(38:19=2\); \(70:14=5\); \(51:17=3\); \(85:17=5\); \(72:18=4\); \(54:18=3\); \(60:12=5\); \(36:18=2\); \(78:13=6\); \(65:13=5\); \(68:17=4\); \(42:14=3\); \(91:13=7\); \(52:13=4\).