D1121323223313223313112113313231133132333132333132313231333233221   >>    D112132322331322331311211331323113313233313233313231323133323322   <<    D1121323223313223313112113313231133132333132333132313231333233223   >>      D1121323223313223313112113313231133132333132333132313231333233222   >>