D23331313331322132313232233131121133132333133313232233132212331   >>    D2333131333132213231323223313112113313233313331323223313221233   <<    D23331313331322132313232233131121133132333133313232233132212333   >>      D23331313331322132313232233131121133132333133313232233132212332   >>