D112111123313223313112113313231133132333133313231333131133132323221   >>    D11211112331322331311211331323113313233313331323133313113313232322   <<    D112111123313223313112113313231133132333133313231333131133132323223   >>      D112111123313223313112113313231133132333133313231333131133132323222   >>