D12121323331313223313233313131313231323223313131323331323131133221   >>    D1212132333131322331323331313131323132322331313132333132313113322   <<    D12121323331313223313233313131313231323223313131323331323131133223   >>      D12121323331313223313233313131313231323223313131323331323131133222   >>