D231123132333132233131323223313233313231323121111331323132322121   >>    D23112313233313223313132322331323331323132312111133132313232212   <<    D231123132333132233131323223313233313231323121111331323132322123   >>      D231123132333132233131323223313233313231323121111331323132322122   >>