D131333132213233313233313231231232333132322331313331313232213221   >>    D13133313221323331323331323123123233313232233131333131323221322   <<    D131333132213233313233313231231232333132322331313331313232213223   >>      D131333132213233313233313231231232333132322331313331313232213222   >>