D23331313331322132313232233131121133132313231333132233131323223311   >>    D2333131333132213231323223313112113313231323133313223313132322331   <<    D23331313331322132313232233131121133132313231333132233131323223313   >>      D23331313331322132313232233131121133132313231333132233131323223312   >>