D1121323223313223313112113313231133132333132333132313231323123221   >>    D112132322331322331311211331323113313233313233313231323132312322   <<    D1121323223313223313112113313231133132333132333132313231323123223   >>      D1121323223313223313112113313231133132333132333132313231323123222   >>