D112111123313223313112113313231133132333133313231333131133132321311   >>    D11211112331322331311211331323113313233313331323133313113313232131   <<    D112111123313223313112113313231133132333133313231333131133132321313   >>      D112111123313223313112113313231133132333133313231333131133132321312   >>