D1313331322132333132333132312312323331323223313113313232233132211211   >>    D131333132213233313233313231231232333132322331311331323223313221121   <<    D1313331322132333132333132312312323331323223313113313232233132211213   >>      D1313331322132333132333132312312323331323223313113313232233132211212   >>