C1111133313331323223313331333133313112113313113313331323331211113323131   >>    C111113331333132322331333133313331311211331311331333132333121111332313   <<    C1111133313331323223313331333133313112113313113313331323331211113323133   >>      C1111133313331323223313331333133313112113313113313331323331211113323132   >>