D233313133313221323132322331311211331323132313331323133313232111221   >>    D23331313331322132313232233131121133132313231333132313331323211122   <<    D233313133313221323132322331311211331323132313331323133313232111223   >>      D233313133313221323132322331311211331323132313331323133313232111222   >>