D23331313331322132313232233131121133132313231333132213231323221211   >>    D2333131333132213231323223313112113313231323133313221323132322121   <<    D23331313331322132313232233131121133132313231333132213231323221213   >>      D23331313331322132313232233131121133132313231333132213231323221212   >>