D231123132333132233131323223313231323132322113313233313231333112331   >>    D23112313233313223313132322331323132313232211331323331323133311233   <<    D231123132333132233131323223313231323132322113313233313231333112333   >>      D231123132333132233131323223313231323132322113313233313231333112332   >>