D11213232233132233131121323132313231232313232233132333131232322121   >>    D1121323223313223313112132313231323123231323223313233313123232212   <<    D11213232233132233131121323132313231232313232233132333131232322123   >>      D11213232233132233131121323132313231232313232233132333131232322122   >>