C123122131323132313113313133313123231333132313112331323223313231323223331   >>    C12312213132313231311331313331312323133313231311233132322331323132322333   <<    C123122131323132313113313133313123231333132313112331323223313231323223333   >>      C123122131323132313113313133313123231333132313112331323223313231323223332   >>