C313331311233133313112331333132313331323132331121123313231323132322331   >>    C31333131123313331311233133313231333132313233112112331323132313232233   <<    C313331311233133313112331333132313331323132331121123313231323132322333   >>      C313331311233133313112331333132313331323132331121123313231323132322332   >>