D23331313331322132313232233131121133132313331322131323132313232212121   >>    D2333131333132213231323223313112113313231333132213132313231323221212   <<    D23331313331322132313232233131121133132313331322131323132313232212123   >>      D23331313331322132313232233131121133132313331322131323132313232212122   >>