D3313222132313113313132313232123313133313232233132233132313231331123311   >>    D331322213231311331313231323212331313331323223313223313231323133112331   <<    D3313222132313113313132313232123313133313232233132233132313231331123313   >>      D3313222132313113313132313232123313133313232233132233132313231331123312   >>