C111123313121111121111331333133313331323232133313331311211331311211313231   >>    C11112331312111112111133133313331333132323213331333131121133131121131323   <<    C111123313121111121111331333133313331323232133313331311211331311211313233   >>      C111123313121111121111331333133313331323232133313331311211331311211313232   >>