D1122112313113313223313132312121111331323331323132313331323221221   >>    D112211231311331322331313231212111133132333132313231333132322122   <<    D1122112313113313223313132312121111331323331323132313331323221223   >>      D1122112313113313223313132312121111331323331323132313331323221222   >>