C3133313112331333131123313331323133313231323223313331323123231323231   >>    C313331311233133313112331333132313331323132322331333132312323132323   <<    C3133313112331333131123313331323133313231323223313331323123231323233   >>      C3133313112331333131123313331323133313231323223313331323123231323232   >>