D231123132333132233131323223313231323132322113313233313231333131112321   >>    D23112313233313223313132322331323132313232211331323331323133313111232   <<    D231123132333132233131323223313231323132322113313233313231333131112323   >>      D231123132333132233131323223313231323132322113313233313231333131112322   >>