D1121323223313223313112113313231133132333132333132313231333131333121   >>    D112132322331322331311211331323113313233313233313231323133313133312   <<    D1121323223313223313112113313231133132333132333132313231333131333123   >>      D1121323223313223313112113313231133132333132333132313231333131333122   >>