D23331313331322132313232233131121133132333132322131323132322221   >>    D2333131333132213231323223313112113313233313232213132313232222   <<    D23331313331322132313232233131121133132333132322131323132322223   >>      D23331313331322132313232233131121133132333132322131323132322222   >>