D1313331322132333132333132312312323331323223313113313231232313221   >>    D131333132213233313233313231231232333132322331311331323123231322   <<    D1313331322132333132333132312312323331323223313113313231232313223   >>      D1313331322132333132333132312312323331323223313113313231232313222   >>