1 -> 2: rate=0.013099, reserve=87628.3200 1 -> 20: rate=0.012658, reserve=29686.6800 2 -> 1: rate=79.440200, reserve=34.1700 2 -> 20: rate=0.978569, reserve=29686.6800 20 -> 1: rate=82.998900, reserve=34.1700 20 -> 2: rate=1.063600, reserve=87628.3200