D1122112313113313223313132312121111331323331323132313331323232311   >>    D112211231311331322331313231212111133132333132313231333132323231   <<    D1122112313113313223313132312121111331323331323132313331323232313   >>      D1122112313113313223313132312121111331323331323132313331323232312   >>