D13133313221323331323331323123123233313232233131133132333132313331333221231   >>    D1313331322132333132333132312312323331323223313113313233313231333133322123   <<    D13133313221323331323331323123123233313232233131133132333132313331333221233   >>      D13133313221323331323331323123123233313232233131133132333132313331333221232   >>