D23331313331322132313232233131121133132313331322231323132212321   >>    D2333131333132213231323223313112113313231333132223132313221232   <<    D23331313331322132313232233131121133132313331322231323132212323   >>      D23331313331322132313232233131121133132313331322231323132212322   >>