C11111211113313112113313331333132313331322113121111331333133112231   >>    C1111121111331311211331333133313231333132211312111133133313311223   <<    C11111211113313112113313331333132313331322113121111331333133112233   >>      C11111211113313112113313331333132313331322113121111331333133112232   >>