C11111211113313112113313331333133313331333132313331333133313331322311333231   >>    C1111121111331311211331333133313331333133313231333133313331333132231133323   <<    C11111211113313112113313331333133313331333132313331333133313331322311333233   >>      C11111211113313112113313331333133313331333132313331333133313331322311333232   >>