D331212121133132233131323223313233313233313223313231323221331111   >>    D33121212113313223313132322331323331323331322331323132322133111   <<    D331212121133132233131323223313233313233313223313231323221331113   >>      D331212121133132233131323223313233313233313223313231323221331112   >>