D331212121133131333131323223313232233132313223313232233131211111   >>    D33121212113313133313132322331323223313231322331323223313121111   <<    D331212121133131333131323223313232233132313223313232233131211113   >>      D331212121133131333131323223313232233132313223313232233131211112   >>