C3133313112331333131123313331323133313231323223313231323132322331   >>    C313331311233133313112331333132313331323132322331323132313232233   <<    C3133313112331333131123313331323133313231323223313231323132322333   >>      C3133313112331333131123313331323133313231323223313231323132322332   >>