D121213233313131333132333131313132313233313223313113313231323232321   >>    D12121323331313133313233313131313231323331322331311331323132323232   <<    D121213233313131333132333131313132313233313223313113313231323232323   >>      D121213233313131333132333131313132313233313223313113313231323232322   >>