D23331313331322132313232233131121133132333133313231333131133132223231   >>    D2333131333132213231323223313112113313233313331323133313113313222323   <<    D23331313331322132313232233131121133132333133313231333131133132223233   >>      D23331313331322132313232233131121133132333133313231333131133132223232   >>