D23331313331322132313232233131121133132333133313232233132312331   >>    D2333131333132213231323223313112113313233313331323223313231233   <<    D23331313331322132313232233131121133132333133313232233132312333   >>      D23331313331322132313232233131121133132333133313232233132312332   >>