D331311121133132313331333132333132313331323331323223311233132231111   >>    D33131112113313231333133313233313231333132333132322331123313223111   <<    D331311121133132313331333132333132313331323331323223311233132231113   >>      D331311121133132313331333132333132313331323331323223311233132231112   >>