C1111121111331311211331333133313331333133313121111331333132322131121221   >>    C111112111133131121133133313331333133313331312111133133313232213112122   <<    C1111121111331311211331333133313331333133313121111331333132322131121223   >>      C1111121111331311211331333133313331333133313121111331333132322131121222   >>