C11111211113313112113313331333133313331333132313331333133313331333131222233231   >>    C1111121111331311211331333133313331333133313231333133313331333133313122223323   <<    C11111211113313112113313331333133313331333132313331333133313331333131222233233   >>      C11111211113313112113313331333133313331333132313331333133313331333131222233232   >>