C11111211113313112113313331333133313331333132313331333133312122231   >>    C1111121111331311211331333133313331333133313231333133313331212223   <<    C11111211113313112113313331333133313331333132313331333133312122233   >>      C11111211113313112113313331333133313331333132313331333133312122232   >>