C1111121111331311211331333133313331333132313331311211331333132232211   >>    C111112111133131121133133313331333133313231333131121133133313223221   <<    C1111121111331311211331333133313331333132313331311211331333132232213   >>      C1111121111331311211331333133313331333132313331311211331333132232212   >>