D331212121133132233131323223313233313233313223313231323221121131231   >>    D33121212113313223313132322331323331323331322331323132322112113123   <<    D331212121133132233131323223313233313233313223313231323221121131233   >>      D331212121133132233131323223313233313233313223313231323221121131232   >>