D131333132213233313233313131133132333132313223313233313232113323221   >>    D13133313221323331323331313113313233313231322331323331323211332322   <<    D131333132213233313233313131133132333132313223313233313232113323223   >>      D131333132213233313233313131133132333132313223313233313232113323222   >>