D331212121133131333131323223313232233132313223313231323232212331   >>    D33121212113313133313132322331323223313231322331323132323221233   <<    D331212121133131333131323223313232233132313223313231323232212333   >>      D331212121133131333131323223313232233132313223313231323232212332   >>