C1111121111331311211331333133313331333133313231333133313331333132232111121   >>    C111112111133131121133133313331333133313331323133313331333133313223211112   <<    C1111121111331311211331333133313331333133313231333133313331333132232111123   >>      C1111121111331311211331333133313331333133313231333133313331333132232111122   >>