r0 1.1 -1.1 1.2 -1.2 1.3 -1.3 1.4 -1.4 1.5 -1.5 1.6 -1.6 1.7 -1.7 1.8 -1.8 1.9 -1.9 r1 1.1 -1.1 1.2 -1.2 1.3 -1.3 1.4 -1.4 1.5 -1.5 1.6 -1.6 1.7 -1.7 1.8 -1.8 1.9 -1.9 r2 1.1 -1.1 1.2 -1.2 1.3 -1.3 1.4 -1.4 1.5 -1.5 1.6 -1.6 1.7 -1.7 1.8 -1.8 1.9 -1.9 r3 1.1 -1.1 1.2 -1.2 1.3 -1.3 1.4 -1.4 1.5 -1.5 1.6 -1.6 1.7 -1.7 1.8 -1.8 1.9 -1.9